Exact Mass: 550.2339847999999

Pachyclavulide H

N-Desmethyl-N-benzyl sildenafil

C28H34N6O4S (550.2362124)

helioxenicin B

Alpinnanin C

(1R,2R,3S,5Z,7S,8S,9S,10S,11R,12S,14S,17R*)-2,3,14-triacetoxy-8,9,11,12-bisepoxy-17-hydroxybriar-5-en-18-one

(1R*,2R*,3S*,5Z,7S*,8S*,9S*,10S*,11R*,12S*,14S*,17R*)-2,3,14-triacetoxy-8,9,11,12-bisepoxy-17-hydroxybriar-5-en-18-one

(2E)-1-{2,4-dihydroxy-3-[(1R,2E,5R)-5-hydroxy-1-(4-hydroxyphenyl)-7-phenyl-2-hepten-1-yl]-6-methoxyphenyl}-3-phenyl-2-propen-1-one|Alpinnanin B|ent-alpinnanin B

michaolide J

A cembrane diterpenoid with cytotoxic activity isolated from the soft coral Lobophytum michaelae.

(1R,3aS,4Z,8S,8aR,9S,12aS,13S,13aR)-8,9,13-tris(acetyloxy)-5-[(acetyloxy)methyl]-3a,6,7,8,8a,9,10,11,12,12a,13,13a-dodecahydro-13a-hydroxy-1,8a-dimethyl-12-methylidenebenzo[4,5]cyclodeca[1,2-b]furan-2(1H)-one|junceellonoid B

(1R,3aS,4Z,8S,8aR,9S,12aS,13S,13aR)-8,9,13-tris(acetyloxy)-5-[(acetyloxy)methyl]-3a,6,7,8,8a,9,10,11,12,12a,13,13a-dodecahydro-13a-hydroxy-1,8a-dimethyl-12-methylidenebenzo[4,5]cyclodeca[1,2-b]furan-2(1H)-one|junceellonoid B

Magnolignan H

4-acetate-1,2,3,5-tetrakis(2-methyl-2-butenoate)inositol

3-acetate-1,2,4,5-tetrakis(2-methyl-2-butenoate)inositol

7beta,9,10beta,20-tetracetoxy-13beta,17-epoxy-3,8-secotaxa-3E,8E,11-triene-2alpha,5alpha-diol|canataxpyran A

MS000164985

FT-0775947

C30H34N2O8 (550.2315044000001)

1, 1-[[2, 4-Bis(6-methoxy-1, 3-benzodioxol-5-yl)-1, 3-cyclobutanediyl]dicarbonyl]bispyrrolidine, 9CI

15-hydroxysolanascone-beta-glucopyranoside tetraacetate

(1R,3aS,4Z,8S,8aS,9S,11R,12aS,13S,13aS*)-1,2,3a,6,7,8,8a,9,10,11,12,12a,13,13a-tetradecahydro-13a-hydroxy-1,5,8a-trimethyl-12-methylidene-2-oxobenzo[4,5]cyclodeca[1,2-b]furan-8,9,11,13-tetrayl tetraacetate|frajunolide A|rel-(1S,2S,5Z,7S,8S,9S,10S,12R,14S,17R)-2,9,12,14-tetraacetoxy-8-hydroxybriara-5,11(20)-dien-18,7-olide

(1R*,3aS*,4Z,8S*,8aS*,9S*,11R*,12aS*,13S*,13aS*)-1,2,3a,6,7,8,8a,9,10,11,12,12a,13,13a-tetradecahydro-13a-hydroxy-1,5,8a-trimethyl-12-methylidene-2-oxobenzo[4,5]cyclodeca[1,2-b]furan-8,9,11,13-tetrayl tetraacetate|frajunolide A|rel-(1S,2S,5Z,7S,8S,9S,10S,12R,14S,17R)-2,9,12,14-tetraacetoxy-8-hydroxybriara-5,11(20)-dien-18,7-olide

Ser Ala Lys Asp Met

C21H38N6O9S (550.2420858)

PseudolaricacidAbeta-D-glucoside

Pseudolaric Acid A-O-beta-D-glucopyranoside

PseudolaricacidAbeta-D-glucoside is a natural product found in Pseudolarix amabilis and Larix kaempferi with data available. Pseudolaric acid A-O-β-D-glucopyranoside, isolated from Cortex Pseudolaricis, demonstrates antifungal and antifertility activities[1]. Pseudolaric acid A-O-β-D-glucopyranoside, isolated from Cortex Pseudolaricis, demonstrates antifungal and antifertility activities[1].

Cys Arg Ser Trp

(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-5-carbamimidamidopentanamido]-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanoic acid

Cys Arg Trp Ser

(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-5-carbamimidamidopentanamido]-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanoic acid

Cys Ser Arg Trp

(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-hydroxypropanamido]-5-carbamimidamidopentanamido]-3-(1H-indol-3-yl)propanoic acid

Cys Ser Trp Arg

(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanamido]-5-carbamimidamidopentanoic acid

Cys Trp Arg Ser

(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-(1H-indol-3-yl)propanamido]-5-carbamimidamidopentanamido]-3-hydroxypropanoic acid

Cys Trp Ser Arg

(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanamido]-5-carbamimidamidopentanoic acid

Glu Phe Gln Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carboxybutanamido]-3-phenylpropanamido]-4-carbamoylbutanamido]-4-carbamoylbutanoic acid

Glu Gln Phe Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carboxybutanamido]-4-carbamoylbutanamido]-3-phenylpropanamido]-4-carbamoylbutanoic acid

Glu Gln Gln Phe

(4S)-4-amino-4-{[(1S)-3-carbamoyl-1-{[(1S)-3-carbamoyl-1-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}propyl]carbamoyl}propyl]carbamoyl}butanoic acid

Phe Glu Gln Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-4-carboxybutanamido]-4-carbamoylbutanamido]-4-carbamoylbutanoic acid

Phe Gln Glu Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-4-carbamoylbutanamido]-4-carboxybutanamido]-4-carbamoylbutanoic acid

Phe Gln Gln Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-4-carbamoylbutanamido]-4-carbamoylbutanamido]pentanedioic acid

Met Met Asn Arg

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-4-(methylsulfanyl)butanamido]-3-carbamoylpropanamido]-5-carbamimidamidopentanoic acid

Met Met Arg Asn

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanamido]-3-carbamoylpropanoic acid

Met Asn Met Arg

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-3-carbamoylpropanamido]-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanoic acid

Met Asn Arg Met

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-3-carbamoylpropanamido]-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanoic acid

Met Arg Met Asn

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanamido]-3-carbamoylpropanoic acid

Met Arg Asn Met

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanamido]-3-carbamoylpropanamido]-4-(methylsulfanyl)butanoic acid

Asn Met Met Arg

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-4-(methylsulfanyl)butanamido]-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanoic acid

Asn Met Arg Met

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-4-(methylsulfanyl)butanamido]-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanoic acid

Asn Arg Met Met

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanamido]-4-(methylsulfanyl)butanoic acid

Gln Glu Phe Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-4-carboxybutanamido]-3-phenylpropanamido]-4-carbamoylbutanoic acid

Gln Glu Gln Phe

(4S)-4-[(2S)-2-amino-4-carbamoylbutanamido]-4-{[(1S)-3-carbamoyl-1-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}propyl]carbamoyl}butanoic acid

Gln Phe Glu Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-3-phenylpropanamido]-4-carboxybutanamido]-4-carbamoylbutanoic acid

Gln Phe Gln Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-3-phenylpropanamido]-4-carbamoylbutanamido]pentanedioic acid

Gln Gln Glu Phe

(4S)-4-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-4-carbamoylbutanamido]-4-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}butanoic acid

Gln Gln Phe Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-4-carbamoylbutanamido]-3-phenylpropanamido]pentanedioic acid

Arg Cys Ser Trp

(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-sulfanylpropanamido]-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanoic acid

Arg Cys Trp Ser

(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-sulfanylpropanamido]-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanoic acid

Arg Met Met Asn

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanamido]-4-(methylsulfanyl)butanamido]-3-carbamoylpropanoic acid

Arg Met Asn Met

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-4-(methylsulfanyl)butanamido]-3-carbamoylpropanamido]-4-(methylsulfanyl)butanoic acid

Arg Asn Met Met

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-carbamoylpropanamido]-4-(methylsulfanyl)butanamido]-4-(methylsulfanyl)butanoic acid

Arg Ser Cys Trp

(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-hydroxypropanamido]-3-sulfanylpropanamido]-3-(1H-indol-3-yl)propanoic acid

Arg Ser Trp Cys

(2R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanamido]-3-sulfanylpropanoic acid

Arg Trp Cys Ser

(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-(1H-indol-3-yl)propanamido]-3-sulfanylpropanamido]-3-hydroxypropanoic acid

Arg Trp Ser Cys

(2R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanamido]-3-sulfanylpropanoic acid

Ser Cys Arg Trp

(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-sulfanylpropanamido]-5-carbamimidamidopentanamido]-3-(1H-indol-3-yl)propanoic acid

Ser Cys Trp Arg

(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-sulfanylpropanamido]-3-(1H-indol-3-yl)propanamido]-5-carbamimidamidopentanoic acid

Ser Arg Cys Trp

(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-5-carbamimidamidopentanamido]-3-sulfanylpropanamido]-3-(1H-indol-3-yl)propanoic acid

Ser Arg Trp Cys

(2R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-5-carbamimidamidopentanamido]-3-(1H-indol-3-yl)propanamido]-3-sulfanylpropanoic acid

Ser Trp Cys Arg

(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanamido]-3-sulfanylpropanamido]-5-carbamimidamidopentanoic acid

Ser Trp Arg Cys

(2R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanamido]-5-carbamimidamidopentanamido]-3-sulfanylpropanoic acid

Trp Cys Arg Ser

(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-sulfanylpropanamido]-5-carbamimidamidopentanamido]-3-hydroxypropanoic acid

Trp Cys Ser Arg

(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-sulfanylpropanamido]-3-hydroxypropanamido]-5-carbamimidamidopentanoic acid

Trp Arg Cys Ser

(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-5-carbamimidamidopentanamido]-3-sulfanylpropanamido]-3-hydroxypropanoic acid

Trp Arg Ser Cys

(2R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-5-carbamimidamidopentanamido]-3-hydroxypropanamido]-3-sulfanylpropanoic acid

Trp Ser Cys Arg

(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanamido]-3-sulfanylpropanamido]-5-carbamimidamidopentanoic acid

Trp Ser Arg Cys

(2R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanamido]-5-carbamimidamidopentanamido]-3-sulfanylpropanoic acid

SAKDM

Ser Ala Lys Asp Met

C21H38N6O9S (550.2420858)

Suc-Ala-Ala-Val-Ala-pNA

9,9-Bis[4-(2-oxiranemethyloxyethyloxy)phenyl]fluorene

H-D-Val-Leu-Lys-pNA · 2 HCl

C23H40Cl2N6O5 (550.243709)

ajugapantin A

C30H32F2N4O4 (550.2391495999999)

A diterpene lactone isolated from the whole plants of Ajuga ciliata.

Des(isopropylthiazolyl) Hydantoin Ritonavir

C29H34N4O5S (550.2249794)

(11aR)-3,7-Bis(2,4,6-trimethylphenyl)-10,11,12,13-tetrahydro-5-hydroxy-5-oxide-diindeno[7,1-de:1,7-fg][1,3,2]dioxaphosphocin

C35H35O4P (550.2272839999999)

acetic acid 5-[3-(4-acetoxypyrrolidin-2-ylmethyl)-6,6’-difluoro-1H,1H-[2,2]biindolyl-3-ylmethyl]pyrrolidin-3-yl ester

gentamicin A (2)-phosphate

C18H39N4O13P+2 (550.2251134)

Alpinnanin B

A natural product found in Alpinia katsumadai.

ent-Alpinnanin B

A natural product found in Alpinia katsumadai.

ent-Alpinnanin A

A natural product found in Alpinia katsumadai.

methyl (1beta,11beta,12alpha,15beta)-15-{[(2E)-3,4-dimethylpent-2-enoyl]oxy}-1,11,12-trihydroxy-2,16-dioxo-13,20-epoxypicrasan-21-oate

Glu-Phe-Gln-Gln

C28H31FN6O5 (550.2339847999999)

A tetrapeptide composed of L-glutamic acid, L-phenylalanine and two L-glutamine units joined by peptide linkages.

N-[(2R,3R)-2-[[[(4-fluoroanilino)-oxomethyl]-methylamino]methyl]-5-[(2R)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-3,4-dihydro-2H-1,5-benzoxazocin-10-yl]-2-pyrazinecarboxamide

N-[(2S,3S)-2-[[[(4-fluoroanilino)-oxomethyl]-methylamino]methyl]-5-[(2R)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-3,4-dihydro-2H-1,5-benzoxazocin-10-yl]-2-pyrazinecarboxamide

C28H31FN6O5 (550.2339847999999)

1-[(2S,3S)-2-[[(4-fluorophenyl)sulfonyl-methylamino]methyl]-5-[(2S)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-3,4-dihydro-2H-1,5-benzoxazocin-10-yl]-3-propan-2-ylurea

C26H35FN4O6S (550.2261222)

1-[(2S,3R)-2-[[(4-fluorophenyl)sulfonyl-methylamino]methyl]-5-[(2R)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-3,4-dihydro-2H-1,5-benzoxazocin-10-yl]-3-propan-2-ylurea

C26H35FN4O6S (550.2261222)

N-[(2S,3R)-2-[[[(4-fluoroanilino)-oxomethyl]-methylamino]methyl]-5-[(2R)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-3,4-dihydro-2H-1,5-benzoxazocin-10-yl]-2-pyrazinecarboxamide

C28H31FN6O5 (550.2339847999999)

(2S)-2-[[(2S)-2-[(1-ethoxycarbonylpiperidin-4-yl)oxycarbonylamino]-4-methylpentanoyl]amino]-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propane-1-sulfonic acid

C22H38N4O10S (550.2308528)

bruceanol E

A quassinoid that is the dihydro derivative of bruceanol D. Isolated from Brucea antidysenterica, it exhibits in vitro cytotoxicity towards several human tumour cell lines.

LPGP 15:0

C21H44O12P2 (550.2307884)

ST 18:0;O8;GlcA

C24H38O14 (550.2261447999999)

ST 22:4;O5;GlcA

ST 22:5;O6;Hex

SOS1-IN-14

C29H29F3N6O2 (550.230397)

SOS1-IN-14 is a potent, selective and orally active SOS1 inhibitor with an IC50 value of 3.9 nM. SOS1-IN-14 can be absorbed in the intestine via a P-glycoprotein-mediated efflux mechanism. SOS1-IN-14 can be used to research KRAS-mutated cancers. SOS1-IN-14 has better potent tumor suppression than BI-3406 (HY-125817)[1].

3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl 5-[7-(acetyloxy)-4,9-dimethyl-11-oxo-10-oxatricyclo[6.3.2.0¹,⁷]tridec-3-en-9-yl]-2-methylpenta-2,4-dienoate

2,10,14-tris(acetyloxy)-3-hydroxy-4,9,13-trimethyl-17-methylidene-5-oxo-6-oxatricyclo[11.4.0.0³,⁷]heptadec-8-en-12-yl acetate

[(1s,2s,3s,4r,7s,8e,12s,13s,14r)-2,12,14-tris(acetyloxy)-3-hydroxy-4,13,17-trimethyl-5-oxo-6-oxatricyclo[11.4.0.0³,⁷]heptadeca-8,16-dien-9-yl]methyl acetate

methyl (3as,4s,5s,11ar)-4-{[(2s,3r)-3-(acetyloxy)-2-hydroxy-2-methylbutanoyl]oxy}-10-methyl-5-{[(2s)-2-methylbutanoyl]oxy}-3-methylidene-2-oxo-3ah,4h,5h,8h,9h,11ah-cyclodeca[b]furan-6-carboxylate