Exact Mass: 664.3040117999999
Exact Mass Matches: 664.3040117999999
Found 60 metabolites which its exact mass value is equals to given mass value 664.3040117999999,
within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error
0.001 dalton.
2-hydroxythymol 3-O-(4-O-angeloyl-beta-D-fucopyranosyl)-(1->3)-(4-O-acetyl, 2-O-angeloyl)-beta-D-fucopyranoside
2-hydroxythymol 3-O-(4-O-angeloyl-beta-D-fucopyranosyl)-(1->3)-(4-O-acetyl, 2-O-angeloyl)-beta-D-fucopyranoside
2-hydroxythymol 3-O-(3-O-acetyl-beta-D-fucopyranosyl)-(1->3)-(2,4-di-O-angeloyl)-beta-D-quinovopyranoside
2-hydroxythymol 3-O-(3-O-acetyl-beta-D-fucopyranosyl)-(1->3)-(2,4-di-O-angeloyl)-beta-D-quinovopyranoside
3,7,10,14,15-pentaacetyl-5-butanoyl-13,17-epoxy-8-myrsinene
3,7,10,14,15-pentaacetyl-5-butanoyl-13,17-epoxy-8-myrsinene
3-O-propionyl-5,10,14-O-triacetyl-8-O-(2-methylbutanoyl)-cyclomyrsinol
3-O-propionyl-5,10,14-O-triacetyl-8-O-(2-methylbutanoyl)-cyclomyrsinol
2-hydroxythymol 3-O-(4-O-acetyl-beta-D-fucopyranosyl)-(1->3)-(2,4-di-O-angeloyl)-beta-D-quinovopyranoside
2-hydroxythymol 3-O-(4-O-acetyl-beta-D-fucopyranosyl)-(1->3)-(2,4-di-O-angeloyl)-beta-D-quinovopyranoside
14-desoxy-3alpha,5alpha,7beta,10,15beta-O-pentaacetyl-14beta-O-butanoyl-10,18-dihydromyrinsol
14-desoxy-3alpha,5alpha,7beta,10,15beta-O-pentaacetyl-14beta-O-butanoyl-10,18-dihydromyrinsol
dichotomoside D
dichotomoside D
A neolignan that is dibutyl 3,3-biphenyl-3,3-diyldipropanoate substituted by a beta-D-glucopyranosyloxy group at position 6, hydroxy group at position 6 and methoxy groups at positions 5 and 5 respectively. Isolated from the roots of Stellaria dichotoma var lanceolata, it exhibits anti-allergic activity.
2beta,6alpha-bis(acetyloxy)-1beta-[(furan-3-ylcarbonyl)oxy]-4alpha-hydroxy-9beta,13-bis-[(2-methylbutanoyl)oxy]-beta-dihydroagarofuran
2beta,6alpha-bis(acetyloxy)-1beta-[(furan-3-ylcarbonyl)oxy]-4alpha-hydroxy-9beta,13-bis-[(2-methylbutanoyl)oxy]-beta-dihydroagarofuran
succinyl macrolactin O
7S-(6-O-succinyl)-beta-D-glucopyranosyl-15-oxo-13S-hydroxy-2Z,4E,8E,10Z,16E,18E,23R-tetracosahexenyl-23-olide
Proteasome Substrate II
Proteasome Substrate II
Z-Leu-Leu-Glu-AMC is a substrate peptide, and can be used for determination of postacidic-like hydrolysing activity of 20S proteasome[1]
1,2-Pyrrolidinedicarboxylic acid, 2,2-[[1,1-biphenyl]-4,4-diylbis(2-oxo-2,1-ethanediyl)] bis[1-(1,1-dimethylethyl)] ester, (2S)-
1,2-Pyrrolidinedicarboxylic acid, 2,2-[[1,1-biphenyl]-4,4-diylbis(2-oxo-2,1-ethanediyl)] bis[1-(1,1-dimethylethyl)] ester, (2S)-
4-O-ACETYL-3 6-DI-O-(TERT-BUTYLDIPHENYL&
4-O-ACETYL-3 6-DI-O-(TERT-BUTYLDIPHENYL&
C40H48O5Si2 (664.3040117999999)
[(3S,5S,10S,11R,13R,14S,17R)-3-(5-acetyloxy-3-hydroxy-4-methoxy-6-methyloxan-2-yl)oxy-10-ormyl-5,14-dihydroxy-13-methyl-17-(5-oxo-2H-uran-3-yl)-2,3,4,6,7,8,9,11,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-11-yl] acetate
[(3S,5S,10S,11R,13R,14S,17R)-3-(5-acetyloxy-3-hydroxy-4-methoxy-6-methyloxan-2-yl)oxy-10-ormyl-5,14-dihydroxy-13-methyl-17-(5-oxo-2H-uran-3-yl)-2,3,4,6,7,8,9,11,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-11-yl] acetate
(3as,3bs,9ar,9br,11as)-8-{[(2s,3r,4s,5s,6r)-4,5-dihydroxy-6-(hydroxymethyl)-3-{[(2r,3s,4s,5s,6r)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}oxan-2-yl]oxy}-3a,6,6,9b,11a-pentamethyl-1h,3h,3bh,4h,9ah,11h-cyclopenta[a]phenanthrene-2,7,10-trione
(3as,3bs,9ar,9br,11as)-8-{[(2s,3r,4s,5s,6r)-4,5-dihydroxy-6-(hydroxymethyl)-3-{[(2r,3s,4s,5s,6r)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}oxan-2-yl]oxy}-3a,6,6,9b,11a-pentamethyl-1h,3h,3bh,4h,9ah,11h-cyclopenta[a]phenanthrene-2,7,10-trione
(1r,2r,3r,4r,5s,7r,8s,9r,10r,11s,14r)-2,4,7,14-tetrakis(acetyloxy)-11-[2-(acetyloxy)propan-2-yl]-5,9-dimethyl-16-oxatetracyclo[7.5.2.0¹,¹⁰.0³,⁷]hexadec-12-en-8-yl butanoate
(1r,2r,3r,4r,5s,7r,8s,9r,10r,11s,14r)-2,4,7,14-tetrakis(acetyloxy)-11-[2-(acetyloxy)propan-2-yl]-5,9-dimethyl-16-oxatetracyclo[7.5.2.0¹,¹⁰.0³,⁷]hexadec-12-en-8-yl butanoate
4-{[5-(acetyloxy)-3,4-dihydroxy-6-methyloxan-2-yl]oxy}-2-(2-hydroxy-6-isopropyl-3-methylphenoxy)-6-methyl-5-[(2-methylbut-2-enoyl)oxy]oxan-3-yl 2-methylbut-2-enoate
4-{[5-(acetyloxy)-3,4-dihydroxy-6-methyloxan-2-yl]oxy}-2-(2-hydroxy-6-isopropyl-3-methylphenoxy)-6-methyl-5-[(2-methylbut-2-enoyl)oxy]oxan-3-yl 2-methylbut-2-enoate
(1s,2s,3s,4r,5s,7s,8r,9s,10s,12z,14s,17r)-2,7,9-tris(acetyloxy)-5-(butanoyloxy)-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadec-12-en-10-yl butanoate
(1s,2s,3s,4r,5s,7s,8r,9s,10s,12z,14s,17r)-2,7,9-tris(acetyloxy)-5-(butanoyloxy)-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadec-12-en-10-yl butanoate
(1r,2r,3s,4r,5s,7s,8s,9r,10s,12z,14s,17r)-2,7,9-tris(acetyloxy)-5-(butanoyloxy)-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadec-12-en-10-yl butanoate
(1r,2r,3s,4r,5s,7s,8s,9r,10s,12z,14s,17r)-2,7,9-tris(acetyloxy)-5-(butanoyloxy)-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadec-12-en-10-yl butanoate
(1r,2r,3s,4s,5r,8r,9s,11s,12z)-2,5,9-tris(acetyloxy)-4,11-dihydroxy-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadeca-6,12-dien-11-yl octanoate
(1r,2r,3s,4s,5r,8r,9s,11s,12z)-2,5,9-tris(acetyloxy)-4,11-dihydroxy-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadeca-6,12-dien-11-yl octanoate
(2r,3r,4s,5r,6s)-4-{[(2s,3r,4s,5s,6r)-4-(acetyloxy)-3,5-dihydroxy-6-methyloxan-2-yl]oxy}-6-(2-hydroxy-6-isopropyl-3-methylphenoxy)-2-methyl-5-{[(2z)-2-methylbut-2-enoyl]oxy}oxan-3-yl (2z)-2-methylbut-2-enoate
(2r,3r,4s,5r,6s)-4-{[(2s,3r,4s,5s,6r)-4-(acetyloxy)-3,5-dihydroxy-6-methyloxan-2-yl]oxy}-6-(2-hydroxy-6-isopropyl-3-methylphenoxy)-2-methyl-5-{[(2z)-2-methylbut-2-enoyl]oxy}oxan-3-yl (2z)-2-methylbut-2-enoate
4-{[4-(acetyloxy)-3,5-dihydroxy-6-methyloxan-2-yl]oxy}-2-(2-hydroxy-6-isopropyl-3-methylphenoxy)-6-methyl-5-[(2-methylbut-2-enoyl)oxy]oxan-3-yl 2-methylbut-2-enoate
4-{[4-(acetyloxy)-3,5-dihydroxy-6-methyloxan-2-yl]oxy}-2-(2-hydroxy-6-isopropyl-3-methylphenoxy)-6-methyl-5-[(2-methylbut-2-enoyl)oxy]oxan-3-yl 2-methylbut-2-enoate
(5e,8s,14s,16r,24s)-14,16-dihydroxy-24-methyl-2-oxo-1-oxacyclotetracosa-3,5,9,11,17,19-hexaen-8-yl (2r,3s,4r,5r,6s)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl butanedioate
(5e,8s,14s,16r,24s)-14,16-dihydroxy-24-methyl-2-oxo-1-oxacyclotetracosa-3,5,9,11,17,19-hexaen-8-yl (2r,3s,4r,5r,6s)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl butanedioate
(2s,3r,4s,5s,6r)-5-(acetyloxy)-4-{[(2s,3r,4r,5r,6r)-3,4-dihydroxy-6-methyl-5-{[(2z)-2-methylbut-2-enoyl]oxy}oxan-2-yl]oxy}-2-(2-hydroxy-6-isopropyl-3-methylphenoxy)-6-methyloxan-3-yl (2z)-2-methylbut-2-enoate
(2s,3r,4s,5s,6r)-5-(acetyloxy)-4-{[(2s,3r,4r,5r,6r)-3,4-dihydroxy-6-methyl-5-{[(2z)-2-methylbut-2-enoyl]oxy}oxan-2-yl]oxy}-2-(2-hydroxy-6-isopropyl-3-methylphenoxy)-6-methyloxan-3-yl (2z)-2-methylbut-2-enoate
(2r,3r,4s,5r,6s)-4-{[(2s,3r,4r,5r,6r)-5-(acetyloxy)-3,4-dihydroxy-6-methyloxan-2-yl]oxy}-6-(2-hydroxy-6-isopropyl-3-methylphenoxy)-2-methyl-5-{[(2z)-2-methylbut-2-enoyl]oxy}oxan-3-yl (2z)-2-methylbut-2-enoate
(2r,3r,4s,5r,6s)-4-{[(2s,3r,4r,5r,6r)-5-(acetyloxy)-3,4-dihydroxy-6-methyloxan-2-yl]oxy}-6-(2-hydroxy-6-isopropyl-3-methylphenoxy)-2-methyl-5-{[(2z)-2-methylbut-2-enoyl]oxy}oxan-3-yl (2z)-2-methylbut-2-enoate
(1s,2r,3s,4s,5r,8s,9r,10r,11s,12z,14s,17r)-2,9,10-tris(acetyloxy)-4,5-dihydroxy-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadeca-6,12-dien-11-yl octanoate
(1s,2r,3s,4s,5r,8s,9r,10r,11s,12z,14s,17r)-2,9,10-tris(acetyloxy)-4,5-dihydroxy-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadeca-6,12-dien-11-yl octanoate
4,12-bis(acetyloxy)-2-hydroxy-2,10,10-trimethyl-7-[(2-methylbutanoyl)oxy]-6-{[(2-methylbutanoyl)oxy]methyl}-11-oxatricyclo[7.2.1.0¹,⁶]dodecan-5-yl furan-3-carboxylate
4,12-bis(acetyloxy)-2-hydroxy-2,10,10-trimethyl-7-[(2-methylbutanoyl)oxy]-6-{[(2-methylbutanoyl)oxy]methyl}-11-oxatricyclo[7.2.1.0¹,⁶]dodecan-5-yl furan-3-carboxylate
(3z,5z,9z,11z,17z,19z)-14,16-dihydroxy-24-methyl-2-oxo-1-oxacyclotetracosa-3,5,9,11,17,19-hexaen-8-yl 3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl butanedioate
(3z,5z,9z,11z,17z,19z)-14,16-dihydroxy-24-methyl-2-oxo-1-oxacyclotetracosa-3,5,9,11,17,19-hexaen-8-yl 3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl butanedioate
14,16-dihydroxy-24-methyl-2-oxo-1-oxacyclotetracosa-3,5,9,11,17,19-hexaen-8-yl 3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl butanedioate
14,16-dihydroxy-24-methyl-2-oxo-1-oxacyclotetracosa-3,5,9,11,17,19-hexaen-8-yl 3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl butanedioate
(3z,5e,8s,9e,11z,14s,16r,17e,19z,24s)-14,16-dihydroxy-24-methyl-2-oxo-1-oxacyclotetracosa-3,5,9,11,17,19-hexaen-8-yl (2r,3s,4r,5r,6s)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl butanedioate
(3z,5e,8s,9e,11z,14s,16r,17e,19z,24s)-14,16-dihydroxy-24-methyl-2-oxo-1-oxacyclotetracosa-3,5,9,11,17,19-hexaen-8-yl (2r,3s,4r,5r,6s)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl butanedioate
(1s,2r,3s,4s,5r,8r,9r,10r,11s,12z,14s,17r)-2,5,9-tris(acetyloxy)-4,10-dihydroxy-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadeca-6,12-dien-11-yl octanoate
(1s,2r,3s,4s,5r,8r,9r,10r,11s,12z,14s,17r)-2,5,9-tris(acetyloxy)-4,10-dihydroxy-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadeca-6,12-dien-11-yl octanoate
(1s,2s,4s,5r,6r,7s,9r,12r)-12-(acetyloxy)-6-[(acetyloxy)methyl]-2-hydroxy-2,10,10-trimethyl-4,5-bis({[(2r)-2-methylbutanoyl]oxy})-11-oxatricyclo[7.2.1.0¹,⁶]dodecan-7-yl furan-3-carboxylate
(1s,2s,4s,5r,6r,7s,9r,12r)-12-(acetyloxy)-6-[(acetyloxy)methyl]-2-hydroxy-2,10,10-trimethyl-4,5-bis({[(2r)-2-methylbutanoyl]oxy})-11-oxatricyclo[7.2.1.0¹,⁶]dodecan-7-yl furan-3-carboxylate
1,3a,11,13-tetrakis(acetyloxy)-2,5,8,8-tetramethyl-12-methylidene-10-(2-methylpropoxy)-4,9-dioxo-1h,3h,5h,10h,11h,13h,13ah-cyclopenta[12]annulen-2-yl acetate
1,3a,11,13-tetrakis(acetyloxy)-2,5,8,8-tetramethyl-12-methylidene-10-(2-methylpropoxy)-4,9-dioxo-1h,3h,5h,10h,11h,13h,13ah-cyclopenta[12]annulen-2-yl acetate
6-{[3-(acetyloxy)-6-(2-hydroxy-6-isopropyl-3-methylphenoxy)-2-methyl-5-[(2-methylbut-2-enoyl)oxy]oxan-4-yl]oxy}-4,5-dihydroxy-2-methyloxan-3-yl 2-methylbut-2-enoate
6-{[3-(acetyloxy)-6-(2-hydroxy-6-isopropyl-3-methylphenoxy)-2-methyl-5-[(2-methylbut-2-enoyl)oxy]oxan-4-yl]oxy}-4,5-dihydroxy-2-methyloxan-3-yl 2-methylbut-2-enoate
butyl 3-[5'-(3-butoxy-3-oxopropyl)-6-hydroxy-3',5-dimethoxy-2'-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-[1,1'-biphenyl]-3-yl]propanoate
butyl 3-[5'-(3-butoxy-3-oxopropyl)-6-hydroxy-3',5-dimethoxy-2'-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-[1,1'-biphenyl]-3-yl]propanoate
(1r,2r,3s,4s,5r,8r,9s,11s,12z,14s,17r)-2,5,9-tris(acetyloxy)-4,11-dihydroxy-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadeca-6,12-dien-11-yl octanoate
(1r,2r,3s,4s,5r,8r,9s,11s,12z,14s,17r)-2,5,9-tris(acetyloxy)-4,11-dihydroxy-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadeca-6,12-dien-11-yl octanoate
12-(acetyloxy)-6-[(acetyloxy)methyl]-2-hydroxy-2,10,10-trimethyl-4,5-bis[(2-methylbutanoyl)oxy]-11-oxatricyclo[7.2.1.0¹,⁶]dodecan-7-yl furan-3-carboxylate
12-(acetyloxy)-6-[(acetyloxy)methyl]-2-hydroxy-2,10,10-trimethyl-4,5-bis[(2-methylbutanoyl)oxy]-11-oxatricyclo[7.2.1.0¹,⁶]dodecan-7-yl furan-3-carboxylate
(1s,2s,4s,5r,6r,7r,9r,12r)-4,12-bis(acetyloxy)-2-hydroxy-2,10,10-trimethyl-7-{[(2r)-2-methylbutanoyl]oxy}-6-({[(2r)-2-methylbutanoyl]oxy}methyl)-11-oxatricyclo[7.2.1.0¹,⁶]dodecan-5-yl furan-3-carboxylate
(1s,2s,4s,5r,6r,7r,9r,12r)-4,12-bis(acetyloxy)-2-hydroxy-2,10,10-trimethyl-7-{[(2r)-2-methylbutanoyl]oxy}-6-({[(2r)-2-methylbutanoyl]oxy}methyl)-11-oxatricyclo[7.2.1.0¹,⁶]dodecan-5-yl furan-3-carboxylate
(3as,3bs,9ar,9br,11as)-8-{[(2s,3r,4s,5s,6r)-4,5-dihydroxy-6-(hydroxymethyl)-3-{[(2s,3r,4r,5r,6s)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}oxan-2-yl]oxy}-3a,6,6,9b,11a-pentamethyl-1h,3h,3bh,4h,9ah,11h-cyclopenta[a]phenanthrene-2,7,10-trione
(3as,3bs,9ar,9br,11as)-8-{[(2s,3r,4s,5s,6r)-4,5-dihydroxy-6-(hydroxymethyl)-3-{[(2s,3r,4r,5r,6s)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}oxan-2-yl]oxy}-3a,6,6,9b,11a-pentamethyl-1h,3h,3bh,4h,9ah,11h-cyclopenta[a]phenanthrene-2,7,10-trione
2,7,9-tris(acetyloxy)-5-(butanoyloxy)-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadec-12-en-10-yl butanoate
2,7,9-tris(acetyloxy)-5-(butanoyloxy)-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadec-12-en-10-yl butanoate
2,4,7,14-tetrakis(acetyloxy)-11-[2-(acetyloxy)propan-2-yl]-5,9-dimethyl-16-oxatetracyclo[7.5.2.0¹,¹⁰.0³,⁷]hexadec-12-en-8-yl butanoate
2,4,7,14-tetrakis(acetyloxy)-11-[2-(acetyloxy)propan-2-yl]-5,9-dimethyl-16-oxatetracyclo[7.5.2.0¹,¹⁰.0³,⁷]hexadec-12-en-8-yl butanoate
(1r,2r,3ar,5r,10r,11s,13r,13as)-1,3a,11,13-tetrakis(acetyloxy)-2,5,8,8-tetramethyl-12-methylidene-10-(2-methylpropoxy)-4,9-dioxo-1h,3h,5h,10h,11h,13h,13ah-cyclopenta[12]annulen-2-yl acetate
(1r,2r,3ar,5r,10r,11s,13r,13as)-1,3a,11,13-tetrakis(acetyloxy)-2,5,8,8-tetramethyl-12-methylidene-10-(2-methylpropoxy)-4,9-dioxo-1h,3h,5h,10h,11h,13h,13ah-cyclopenta[12]annulen-2-yl acetate
(1s,2r,3s,4r,5s,7s,8r,9s,10s,12z,14s,17r)-2,7,9-tris(acetyloxy)-5-(butanoyloxy)-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadec-12-en-10-yl butanoate
(1s,2r,3s,4r,5s,7s,8r,9s,10s,12z,14s,17r)-2,7,9-tris(acetyloxy)-5-(butanoyloxy)-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadec-12-en-10-yl butanoate
(1s,2r,3s,4r,5s,7s,8r,9r,10s,12z,14s,17r)-2,7,9-tris(acetyloxy)-5-(butanoyloxy)-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadec-12-en-10-yl butanoate
(1s,2r,3s,4r,5s,7s,8r,9r,10s,12z,14s,17r)-2,7,9-tris(acetyloxy)-5-(butanoyloxy)-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadec-12-en-10-yl butanoate