Exact Mass: 539.2525902
Exact Mass Matches: 539.2525902
Found 85 metabolites which its exact mass value is equals to given mass value 539.2525902,
within given mass tolerance error 0.001 dalton. Try search metabolite list with more accurate mass tolerance error
0.0002 dalton.
5,9,11-trihydroxyprosta-6E,14Z-dien-1-oate
(1S,2S,6R,10S,11R,13S,14R,15R)-13-(acetyloxy)-1,6-dihydroxy-8-(hydroxymethyl)-4,12,12,15-tetramethyl-5-oxotetracyclo[8.5.0.0^{2,6}.0^{11,13}]pentadeca-3,8-dien-14-yl 2-(methylamino)benzoate
5,9,11-trihydroxyprosta-6E,14Z-dien-1-oate, also known as Phorbol 12-(2-methylamino)benzoate 13-acetate or CCRIS 7233, is classified as a member of the Phorbol esters. Phorbol esters are tigliane diterpenoids which are esters of phorbol. 5,9,11-trihydroxyprosta-6E,14Z-dien-1-oate is considered to be practically insoluble (in water) and relatively neutral D009676 - Noxae > D002273 - Carcinogens > D010703 - Phorbol Esters
Nintedanib
methyl 2-hydroxy-3-[({4-[N-methyl-2-(4-methylpiperazin-1-yl)acetamido]phenyl}imino)(phenyl)methyl]-1H-indole-6-carboxylate
C31H33N5O4 (539.2532418000001)
C274 - Antineoplastic Agent > C2189 - Signal Transduction Inhibitor > C129824 - Antineoplastic Protein Inhibitor L - Antineoplastic and immunomodulating agents > L01 - Antineoplastic agents > L01E - Protein kinase inhibitors C274 - Antineoplastic Agent > C163758 - Targeted Therapy Agent > C164035 - FGFR-targeting Agent C471 - Enzyme Inhibitor > C1404 - Protein Kinase Inhibitor > C1967 - Tyrosine Kinase Inhibitor C471 - Enzyme Inhibitor > C129825 - Antineoplastic Enzyme Inhibitor > C155727 - FGFR Inhibitor COVID info from clinicaltrial, clinicaltrials, clinical trial, clinical trials D004791 - Enzyme Inhibitors > D047428 - Protein Kinase Inhibitors C274 - Antineoplastic Agent > C1742 - Angiogenesis Inhibitor D000970 - Antineoplastic Agents Corona-virus Coronavirus SARS-CoV-2 COVID-19 SARS-CoV COVID19 SARS2 SARS
Nintedanib
Nintedanib (BIBF 1120)
C31H33N5O4 (539.2532418000001)
C274 - Antineoplastic Agent > C2189 - Signal Transduction Inhibitor > C129824 - Antineoplastic Protein Inhibitor L - Antineoplastic and immunomodulating agents > L01 - Antineoplastic agents > L01E - Protein kinase inhibitors C274 - Antineoplastic Agent > C163758 - Targeted Therapy Agent > C164035 - FGFR-targeting Agent C471 - Enzyme Inhibitor > C1404 - Protein Kinase Inhibitor > C1967 - Tyrosine Kinase Inhibitor C471 - Enzyme Inhibitor > C129825 - Antineoplastic Enzyme Inhibitor > C155727 - FGFR Inhibitor COVID info from clinicaltrial, clinicaltrials, clinical trial, clinical trials D004791 - Enzyme Inhibitors > D047428 - Protein Kinase Inhibitors C274 - Antineoplastic Agent > C1742 - Angiogenesis Inhibitor D000970 - Antineoplastic Agents Corona-virus Coronavirus SARS-CoV-2 COVID-19 SARS-CoV COVID19 SARS2 SARS
Ala Met Arg Tyr
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-aminopropanamido]-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanamido]-3-(4-hydroxyphenyl)propanoic acid
Ala Met Tyr Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-aminopropanamido]-4-(methylsulfanyl)butanamido]-3-(4-hydroxyphenyl)propanamido]-5-carbamimidamidopentanoic acid
Ala Arg Met Tyr
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-aminopropanamido]-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanamido]-3-(4-hydroxyphenyl)propanoic acid
Ala Arg Tyr Met
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-aminopropanamido]-5-carbamimidamidopentanamido]-3-(4-hydroxyphenyl)propanamido]-4-(methylsulfanyl)butanoic acid
Ala Tyr Met Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-aminopropanamido]-3-(4-hydroxyphenyl)propanamido]-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanoic acid
Ala Tyr Arg Met
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-aminopropanamido]-3-(4-hydroxyphenyl)propanamido]-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanoic acid
Cys Arg Val Tyr
(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-5-carbamimidamidopentanamido]-3-methylbutanamido]-3-(4-hydroxyphenyl)propanoic acid
Cys Arg Tyr Val
(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-5-carbamimidamidopentanamido]-3-(4-hydroxyphenyl)propanamido]-3-methylbutanoic acid
Cys Val Arg Tyr
(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-methylbutanamido]-5-carbamimidamidopentanamido]-3-(4-hydroxyphenyl)propanoic acid
Cys Val Tyr Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-methylbutanamido]-3-(4-hydroxyphenyl)propanamido]-5-carbamimidamidopentanoic acid
Cys Tyr Arg Val
(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-(4-hydroxyphenyl)propanamido]-5-carbamimidamidopentanamido]-3-methylbutanoic acid
Cys Tyr Val Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-(4-hydroxyphenyl)propanamido]-3-methylbutanamido]-5-carbamimidamidopentanoic acid
Phe Met Arg Ser
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanamido]-3-hydroxypropanoic acid
Phe Met Ser Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-4-(methylsulfanyl)butanamido]-3-hydroxypropanamido]-5-carbamimidamidopentanoic acid
Phe Arg Met Ser
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanamido]-3-hydroxypropanoic acid
Phe Arg Ser Met
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-5-carbamimidamidopentanamido]-3-hydroxypropanamido]-4-(methylsulfanyl)butanoic acid
Phe Ser Met Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-3-hydroxypropanamido]-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanoic acid
Phe Ser Arg Met
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-3-hydroxypropanamido]-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanoic acid
Met Ala Arg Tyr
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]propanamido]-5-carbamimidamidopentanamido]-3-(4-hydroxyphenyl)propanoic acid
Met Ala Tyr Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]propanamido]-3-(4-hydroxyphenyl)propanamido]-5-carbamimidamidopentanoic acid
Met Phe Arg Ser
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-3-phenylpropanamido]-5-carbamimidamidopentanamido]-3-hydroxypropanoic acid
Met Phe Ser Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-3-phenylpropanamido]-3-hydroxypropanamido]-5-carbamimidamidopentanoic acid
Met Arg Ala Tyr
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanamido]propanamido]-3-(4-hydroxyphenyl)propanoic acid
Met Arg Phe Ser
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanamido]-3-phenylpropanamido]-3-hydroxypropanoic acid
Met Arg Ser Phe
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanamido]-3-hydroxypropanamido]-3-phenylpropanoic acid
Met Arg Tyr Ala
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanamido]-3-(4-hydroxyphenyl)propanamido]propanoic acid
Met Ser Phe Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-3-hydroxypropanamido]-3-phenylpropanamido]-5-carbamimidamidopentanoic acid
Met Ser Arg Phe
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-3-hydroxypropanamido]-5-carbamimidamidopentanamido]-3-phenylpropanoic acid
Met Tyr Ala Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-3-(4-hydroxyphenyl)propanamido]propanamido]-5-carbamimidamidopentanoic acid
Met Tyr Arg Ala
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-3-(4-hydroxyphenyl)propanamido]-5-carbamimidamidopentanamido]propanoic acid
Arg Ala Met Tyr
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]propanamido]-4-(methylsulfanyl)butanamido]-3-(4-hydroxyphenyl)propanoic acid
Arg Ala Tyr Met
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]propanamido]-3-(4-hydroxyphenyl)propanamido]-4-(methylsulfanyl)butanoic acid
Arg Cys Val Tyr
(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-sulfanylpropanamido]-3-methylbutanamido]-3-(4-hydroxyphenyl)propanoic acid
Arg Cys Tyr Val
(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-sulfanylpropanamido]-3-(4-hydroxyphenyl)propanamido]-3-methylbutanoic acid
Arg Phe Met Ser
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-phenylpropanamido]-4-(methylsulfanyl)butanamido]-3-hydroxypropanoic acid
Arg Phe Ser Met
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-phenylpropanamido]-3-hydroxypropanamido]-4-(methylsulfanyl)butanoic acid
Arg Met Ala Tyr
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanamido]propanamido]-3-(4-hydroxyphenyl)propanoic acid
Arg Met Phe Ser
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanamido]-3-phenylpropanamido]-3-hydroxypropanoic acid
Arg Met Ser Phe
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanamido]-3-hydroxypropanamido]-3-phenylpropanoic acid
Arg Met Tyr Ala
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanamido]-3-(4-hydroxyphenyl)propanamido]propanoic acid
Arg Ser Phe Met
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-hydroxypropanamido]-3-phenylpropanamido]-4-(methylsulfanyl)butanoic acid
Arg Ser Met Phe
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-hydroxypropanamido]-4-(methylsulfanyl)butanamido]-3-phenylpropanoic acid
Arg Val Cys Tyr
(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-methylbutanamido]-3-sulfanylpropanamido]-3-(4-hydroxyphenyl)propanoic acid
Arg Val Tyr Cys
(2R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-methylbutanamido]-3-(4-hydroxyphenyl)propanamido]-3-sulfanylpropanoic acid
Arg Tyr Ala Met
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-(4-hydroxyphenyl)propanamido]propanamido]-4-(methylsulfanyl)butanoic acid
Arg Tyr Cys Val
(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-(4-hydroxyphenyl)propanamido]-3-sulfanylpropanamido]-3-methylbutanoic acid
Arg Tyr Met Ala
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-(4-hydroxyphenyl)propanamido]-4-(methylsulfanyl)butanamido]propanoic acid
Arg Tyr Val Cys
(2R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-(4-hydroxyphenyl)propanamido]-3-methylbutanamido]-3-sulfanylpropanoic acid
Ser Phe Met Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-phenylpropanamido]-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanoic acid
Ser Phe Arg Met
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-phenylpropanamido]-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanoic acid
Ser Met Phe Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-4-(methylsulfanyl)butanamido]-3-phenylpropanamido]-5-carbamimidamidopentanoic acid
Ser Met Arg Phe
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanamido]-3-phenylpropanoic acid
Ser Arg Phe Met
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-5-carbamimidamidopentanamido]-3-phenylpropanamido]-4-(methylsulfanyl)butanoic acid
Ser Arg Met Phe
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanamido]-3-phenylpropanoic acid
Val Cys Arg Tyr
(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-3-methylbutanamido]-3-sulfanylpropanamido]-5-carbamimidamidopentanamido]-3-(4-hydroxyphenyl)propanoic acid
Val Cys Tyr Arg
(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-3-methylbutanamido]-3-sulfanylpropanamido]-3-(4-hydroxyphenyl)propanamido]-5-carbamimidamidopentanoic acid
Val Arg Cys Tyr
(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-5-carbamimidamidopentanamido]-3-sulfanylpropanamido]-3-(4-hydroxyphenyl)propanoic acid
Val Arg Tyr Cys
(2R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-5-carbamimidamidopentanamido]-3-(4-hydroxyphenyl)propanamido]-3-sulfanylpropanoic acid
Val Tyr Cys Arg
(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-3-(4-hydroxyphenyl)propanamido]-3-sulfanylpropanamido]-5-carbamimidamidopentanoic acid
Val Tyr Arg Cys
(2R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-3-(4-hydroxyphenyl)propanamido]-5-carbamimidamidopentanamido]-3-sulfanylpropanoic acid
Tyr Ala Met Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]propanamido]-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanoic acid
Tyr Ala Arg Met
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]propanamido]-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanoic acid
Tyr Cys Arg Val
(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]-3-sulfanylpropanamido]-5-carbamimidamidopentanamido]-3-methylbutanoic acid
Tyr Cys Val Arg
(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]-3-sulfanylpropanamido]-3-methylbutanamido]-5-carbamimidamidopentanoic acid
Tyr Met Ala Arg
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]-4-(methylsulfanyl)butanamido]propanamido]-5-carbamimidamidopentanoic acid
Tyr Met Arg Ala
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanamido]propanoic acid
Tyr Arg Ala Met
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]-5-carbamimidamidopentanamido]propanamido]-4-(methylsulfanyl)butanoic acid
Tyr Arg Cys Val
(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]-5-carbamimidamidopentanamido]-3-sulfanylpropanamido]-3-methylbutanoic acid
Tyr Arg Met Ala
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanamido]propanoic acid
Tyr Arg Val Cys
(2R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]-5-carbamimidamidopentanamido]-3-methylbutanamido]-3-sulfanylpropanoic acid
Tyr Val Cys Arg
(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]-3-methylbutanamido]-3-sulfanylpropanamido]-5-carbamimidamidopentanoic acid
Tyr Val Arg Cys
(2R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]-3-methylbutanamido]-5-carbamimidamidopentanamido]-3-sulfanylpropanoic acid
Sapintoxin d
Sapintoxin d
A phorbol ester consisting of phorbol that is acylated at positions 12 and 13 by 2-(methylamino)benzoyl and acetyl groups respectively. D009676 - Noxae > D002273 - Carcinogens > D010703 - Phorbol Esters
(1r,2s,3s,5r,6r,8s,10r,12r,13s,14s,16r,17s,18r,19s)-19-benzyl-6,21-dihydroxy-6,8,16,17-tetramethyl-7-oxo-4,11,15-trioxa-20-azahexacyclo[11.8.0.0¹,¹⁸.0³,⁵.0¹⁰,¹².0¹⁴,¹⁶]henicos-20-en-2-yl acetate
(1r,2s,3s,5r,6r,8s,10r,12r,13s,14s,16r,17s,18r,19s)-19-benzyl-6,21-dihydroxy-6,8,16,17-tetramethyl-7-oxo-4,11,15-trioxa-20-azahexacyclo[11.8.0.0¹,¹⁸.0³,⁵.0¹⁰,¹².0¹⁴,¹⁶]henicos-20-en-2-yl acetate
(1s,2s,3s,5r,6r,8s,10z,13s,14s,16r,17r,18s)-18-benzyl-6,13,20-trihydroxy-6,8,14,16-tetramethyl-7-oxo-4,15-dioxa-19-azapentacyclo[10.8.0.0¹,¹⁷.0³,⁵.0¹⁴,¹⁶]icosa-10,19-dien-2-yl acetate
(1s,2s,3s,5r,6r,8s,10z,13s,14s,16r,17r,18s)-18-benzyl-6,13,20-trihydroxy-6,8,14,16-tetramethyl-7-oxo-4,15-dioxa-19-azapentacyclo[10.8.0.0¹,¹⁷.0³,⁵.0¹⁴,¹⁶]icosa-10,19-dien-2-yl acetate
(1r,2r,3s,5r,6r,8s,10e,12r,13s,14s,16r,17s,18r)-18-benzyl-6,13,20-trihydroxy-6,8,14,16-tetramethyl-7-oxo-4,15-dioxa-19-azapentacyclo[10.8.0.0¹,¹⁷.0³,⁵.0¹⁴,¹⁶]icosa-10,19-dien-2-yl acetate
(1r,2r,3s,5r,6r,8s,10e,12r,13s,14s,16r,17s,18r)-18-benzyl-6,13,20-trihydroxy-6,8,14,16-tetramethyl-7-oxo-4,15-dioxa-19-azapentacyclo[10.8.0.0¹,¹⁷.0³,⁵.0¹⁴,¹⁶]icosa-10,19-dien-2-yl acetate