Exact Mass: 526.3379748
Exact Mass Matches: 526.3379748
Found 67 metabolites which its exact mass value is equals to given mass value 526.3379748,
within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error
0.001 dalton.
(24E)-15alpha-Acetoxy-3alpha-hydroxy-23-oxo-7,9(11),24-lanostatrien-26-oic acid
(2Z)-6-[12-(acetyloxy)-5-hydroxy-2,6,6,11,15-pentamethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadeca-1(17),9-dien-14-yl]-2-methyl-4-oxohept-2-enoic acid
(24E)-15alpha-Acetoxy-3alpha-hydroxy-23-oxo-7,9(11),24-lanostatrien-26-oic acid is found in mushrooms. (24E)-15alpha-Acetoxy-3alpha-hydroxy-23-oxo-7,9(11),24-lanostatrien-26-oic acid is a constituent of Ganoderma lucidum (reishi)
(24E)-3alpha-Acetoxy-15alpha-hydroxy-23-oxo-7,9(11),24-lanostatrien-26-oic acid
(2Z)-6-[5-(acetyloxy)-12-hydroxy-2,6,6,11,15-pentamethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadeca-1(17),9-dien-14-yl]-2-methyl-4-oxohept-2-enoic acid
(24E)-3alpha-Acetoxy-15alpha-hydroxy-23-oxo-7,9(11),24-lanostatrien-26-oic acid is found in mushrooms. (24E)-3alpha-Acetoxy-15alpha-hydroxy-23-oxo-7,9(11),24-lanostatrien-26-oic acid is a constituent of Ganoderma lucidum (reishi)
15alpha-Acetoxy-3alpha-hydroxy-23-oxo-7,9(11),24E-lanostatrien-26-oic acid
15alpha-Acetoxy-3alpha-hydroxy-23-oxo-7,9(11),24E-lanostatrien-26-oic acid
3alpha-Acetoxy-15alpha-hydroxy-23-oxo-7,9(11),24E-lanostatrien-26-oic acid
3alpha-Acetoxy-15alpha-hydroxy-23-oxo-7,9(11),24E-lanostatrien-26-oic acid
Leptomycin A
(2E,10E,12E,16Z,18E)-(R)-6-hydroxy-3,5,7,9,11,15,17-heptamethyl-19-((2S,3S)-3-methyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-8-oxo-nonadeca-2,10,12,16,18-pentaenoic acid
A leptomycin having all-trans double bonds and a seventh methyl substituent at position 17.
21-O-acetyl-21-hydroxy-3-oxo-11,13(18)-oleanadien-28-oic acid
21-O-acetyl-21-hydroxy-3-oxo-11,13(18)-oleanadien-28-oic acid
7alpha-acetoxy-21,23R?:24alpha,25-diepoxy-21-hydroxy-4,4,8-trimethyl-cholesta-1,14-dien-3-one|brujavanone C
7alpha-acetoxy-21,23R?:24alpha,25-diepoxy-21-hydroxy-4,4,8-trimethyl-cholesta-1,14-dien-3-one|brujavanone C
16-acetoxy-22alpha-hydroxy-29-nor-24-methylcycloart-1,24(24a)-dien-3,23-dion-3,4-lactone|neomacrolactone
16-acetoxy-22alpha-hydroxy-29-nor-24-methylcycloart-1,24(24a)-dien-3,23-dion-3,4-lactone|neomacrolactone
(20S,23S,24R)-7alpha-(acetoxy-25-hydroxy)-21,24:23,24-diepoxyapotirucalla-1,14-dien-3-one|diepoxyazadirol
(20S,23S,24R)-7alpha-(acetoxy-25-hydroxy)-21,24:23,24-diepoxyapotirucalla-1,14-dien-3-one|diepoxyazadirol
3-[(1R,3aS,3bS,6S,6aR,7aR,9S,9aR)-9-acetoxydecahydro-3a,9a-dimethyl-6-(1-methylethenyl)-1-{(1S)-1-[(2R)-3,6-dihydro-5-methyl-6-oxo-2H-pyran-2-yl]ethyl}-1H-cyclopenta[a]cyclopropa[e]naphthalen-6a(7H)-yl]propanoic acid|polysperlactone B
3-[(1R,3aS,3bS,6S,6aR,7aR,9S,9aR)-9-acetoxydecahydro-3a,9a-dimethyl-6-(1-methylethenyl)-1-{(1S)-1-[(2R)-3,6-dihydro-5-methyl-6-oxo-2H-pyran-2-yl]ethyl}-1H-cyclopenta[a]cyclopropa[e]naphthalen-6a(7H)-yl]propanoic acid|polysperlactone B
Pro Arg Arg Val
(2S)-2-[(2S)-5-carbamimidamido-2-[(2S)-5-carbamimidamido-2-[(2S)-pyrrolidin-2-ylformamido]pentanamido]pentanamido]-3-methylbutanoic acid
Pro Arg Val Arg
(2S)-5-carbamimidamido-2-[(2S)-2-[(2S)-5-carbamimidamido-2-[(2S)-pyrrolidin-2-ylformamido]pentanamido]-3-methylbutanamido]pentanoic acid
Pro Val Arg Arg
(2S)-5-carbamimidamido-2-[(2S)-5-carbamimidamido-2-[(2S)-3-methyl-2-[(2S)-pyrrolidin-2-ylformamido]butanamido]pentanamido]pentanoic acid
Arg Pro Arg Val
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-5-carbamimidamidopentanoyl]pyrrolidin-2-yl]formamido}-5-carbamimidamidopentanamido]-3-methylbutanoic acid
Arg Pro Val Arg
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-5-carbamimidamidopentanoyl]pyrrolidin-2-yl]formamido}-3-methylbutanamido]-5-carbamimidamidopentanoic acid
Arg Arg Pro Val
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-5-carbamimidamidopentanoyl]pyrrolidin-2-yl]formamido}-3-methylbutanoic acid
Arg Arg Val Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-5-carbamimidamidopentanamido]-3-methylbutanoyl]pyrrolidine-2-carboxylic acid
Arg Val Pro Arg
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-methylbutanoyl]pyrrolidin-2-yl]formamido}-5-carbamimidamidopentanoic acid
Arg Val Arg Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-methylbutanamido]-5-carbamimidamidopentanoyl]pyrrolidine-2-carboxylic acid
Val Pro Arg Arg
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-methylbutanoyl]pyrrolidin-2-yl]formamido}-5-carbamimidamidopentanamido]-5-carbamimidamidopentanoic acid
Val Arg Pro Arg
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-5-carbamimidamidopentanoyl]pyrrolidin-2-yl]formamido}-5-carbamimidamidopentanoic acid
Val Arg Arg Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-methylbutanamido]-5-carbamimidamidopentanamido]-5-carbamimidamidopentanoyl]pyrrolidine-2-carboxylic acid
3a-Acetoxy-15a-hydroxy-23-oxo-7,9(11),24E-lanostatrien-26-Oic acid
(2Z)-6-[5-(acetyloxy)-12-hydroxy-2,6,6,11,15-pentamethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-1(17),9-dien-14-yl]-2-methyl-4-oxohept-2-enoic acid
15a-Acetoxy-3a-hydroxy-23-oxo-7,9(11),24E-lanostatrien-26-Oic acid
(2Z)-6-[12-(acetyloxy)-5-hydroxy-2,6,6,11,15-pentamethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-1(17),9-dien-14-yl]-2-methyl-4-oxohept-2-enoic acid
Pikromycin(1+)
Pikromycin(1+)
An organic cation that is the conjugate acid of pikromycin, obtained by protonation of the tertiary amino group; major species at pH 7.3.
(24E)-3alpha-Acetoxy-15alpha-hydroxy-23-oxo-7,9(11),24-lanostatrien-26-oic acid
(24E)-3alpha-Acetoxy-15alpha-hydroxy-23-oxo-7,9(11),24-lanostatrien-26-oic acid
(24E)-15alpha-Acetoxy-3alpha-hydroxy-23-oxo-7,9(11),24-lanostatrien-26-oic acid
(24E)-15alpha-Acetoxy-3alpha-hydroxy-23-oxo-7,9(11),24-lanostatrien-26-oic acid
neopikromycin(1+)
neopikromycin(1+)
An organic cation obtained by protonation of the tertiary amino function of neopikromycin; major species at pH 7.3.
(3s)-3-[(2r,3r,8s)-5-hydroxy-2,3-dimethyl-8-[(2r)-5-methyl-2-(prop-1-en-2-yl)hex-4-en-1-yl]-8-(3-methylbut-2-en-1-yl)-4,7-dioxo-2,3-dihydro-1-benzopyran-6-yl]hexanoic acid
(3s)-3-[(2r,3r,8s)-5-hydroxy-2,3-dimethyl-8-[(2r)-5-methyl-2-(prop-1-en-2-yl)hex-4-en-1-yl]-8-(3-methylbut-2-en-1-yl)-4,7-dioxo-2,3-dihydro-1-benzopyran-6-yl]hexanoic acid
(3r)-3-[(2r,3r,6r)-6-{[(1s,3s)-2,2-dimethyl-3-(prop-1-en-2-yl)cyclobutyl]methyl}-5-hydroxy-2,3-dimethyl-6-(3-methylbut-3-en-1-yl)-4,7-dioxo-2,3-dihydro-1-benzopyran-8-yl]hexanoic acid
(3r)-3-[(2r,3r,6r)-6-{[(1s,3s)-2,2-dimethyl-3-(prop-1-en-2-yl)cyclobutyl]methyl}-5-hydroxy-2,3-dimethyl-6-(3-methylbut-3-en-1-yl)-4,7-dioxo-2,3-dihydro-1-benzopyran-8-yl]hexanoic acid
(1r,3br,4r,5as,9as,9br,10r,11as)-10-hydroxy-1-[(2s,5r)-2-hydroxy-5-(2-methylpropyl)-2,5-dihydrofuran-3-yl]-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate
(1r,3br,4r,5as,9as,9br,10r,11as)-10-hydroxy-1-[(2s,5r)-2-hydroxy-5-(2-methylpropyl)-2,5-dihydrofuran-3-yl]-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate
(2e,5r,6s,7r,9s,10e,12e,15s,16z,18e)-6-hydroxy-3,5,7,9,11,15,17-heptamethyl-19-[(2r,3r)-3-methyl-6-oxo-2,3-dihydropyran-2-yl]-8-oxononadeca-2,10,12,16,18-pentaenoic acid
(2e,5r,6s,7r,9s,10e,12e,15s,16z,18e)-6-hydroxy-3,5,7,9,11,15,17-heptamethyl-19-[(2r,3r)-3-methyl-6-oxo-2,3-dihydropyran-2-yl]-8-oxononadeca-2,10,12,16,18-pentaenoic acid
(1r,2r,3r,4r,7r,8s,10r,11r)-2,11-dihydroxy-4,6,6,10-tetramethyl-3-{[(4s,7s)-2,2,4,9-tetramethyl-6-oxatricyclo[6.3.1.0⁴,¹²]dodeca-1(11),8(12),9-trien-7-yl]oxy}tricyclo[5.3.1.0⁴,¹¹]undecan-8-yl acetate
(1r,2r,3r,4r,7r,8s,10r,11r)-2,11-dihydroxy-4,6,6,10-tetramethyl-3-{[(4s,7s)-2,2,4,9-tetramethyl-6-oxatricyclo[6.3.1.0⁴,¹²]dodeca-1(11),8(12),9-trien-7-yl]oxy}tricyclo[5.3.1.0⁴,¹¹]undecan-8-yl acetate
methyl 6-[(3ar,4r,6s)-4-(acetyloxy)-6,9a,11a-trimethyl-7,10-dioxo-1h,2h,3h,3ah,4h,5h,5ah,6h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-2-methyl-3-methylideneheptanoate
methyl 6-[(3ar,4r,6s)-4-(acetyloxy)-6,9a,11a-trimethyl-7,10-dioxo-1h,2h,3h,3ah,4h,5h,5ah,6h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-2-methyl-3-methylideneheptanoate
5-(3,3-dimethyloxiran-2-yl)-3-{4-hydroxy-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}oxolan-2-yl acetate
5-(3,3-dimethyloxiran-2-yl)-3-{4-hydroxy-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}oxolan-2-yl acetate
(1r,2r,3r,4r,7r,8s,10r,11r)-3,11-dihydroxy-4,6,6,10-tetramethyl-2-{[(4s,7r)-2,2,4,9-tetramethyl-6-oxatricyclo[6.3.1.0⁴,¹²]dodeca-1(11),8(12),9-trien-7-yl]oxy}tricyclo[5.3.1.0⁴,¹¹]undecan-8-yl acetate
(1r,2r,3r,4r,7r,8s,10r,11r)-3,11-dihydroxy-4,6,6,10-tetramethyl-2-{[(4s,7r)-2,2,4,9-tetramethyl-6-oxatricyclo[6.3.1.0⁴,¹²]dodeca-1(11),8(12),9-trien-7-yl]oxy}tricyclo[5.3.1.0⁴,¹¹]undecan-8-yl acetate
3-[7-(acetyloxy)-4,8-dimethyl-5-[1-(5-methyl-6-oxo-2,3-dihydropyran-2-yl)ethyl]-12-(prop-1-en-2-yl)tetracyclo[7.5.0.0¹,¹³.0⁴,⁸]tetradecan-13-yl]propanoic acid
3-[7-(acetyloxy)-4,8-dimethyl-5-[1-(5-methyl-6-oxo-2,3-dihydropyran-2-yl)ethyl]-12-(prop-1-en-2-yl)tetracyclo[7.5.0.0¹,¹³.0⁴,⁸]tetradecan-13-yl]propanoic acid
(2e,6r)-6-[(1r,3s,3ar,5ar,7r,9as,11ar)-7-(acetyloxy)-3-hydroxy-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-2-methyl-4-oxohept-2-enoic acid
(2e,6r)-6-[(1r,3s,3ar,5ar,7r,9as,11ar)-7-(acetyloxy)-3-hydroxy-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-2-methyl-4-oxohept-2-enoic acid
(3r)-3-[(2s,3r,6r)-5-hydroxy-2,3-dimethyl-6-[(2s)-5-methyl-2-(prop-1-en-2-yl)hex-5-en-1-yl]-6-(3-methylbut-2-en-1-yl)-4,7-dioxo-2,3-dihydro-1-benzopyran-8-yl]hexanoic acid
(3r)-3-[(2s,3r,6r)-5-hydroxy-2,3-dimethyl-6-[(2s)-5-methyl-2-(prop-1-en-2-yl)hex-5-en-1-yl]-6-(3-methylbut-2-en-1-yl)-4,7-dioxo-2,3-dihydro-1-benzopyran-8-yl]hexanoic acid
3-[4-(acetyloxy)-9a,11a-dimethyl-7-oxo-1h,2h,3h,3ah,3bh,4h,5h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-1-(2,3,3-trimethyloxiran-2-yl)butan-2-yl acetate
3-[4-(acetyloxy)-9a,11a-dimethyl-7-oxo-1h,2h,3h,3ah,3bh,4h,5h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-1-(2,3,3-trimethyloxiran-2-yl)butan-2-yl acetate
(3s,4ar,6as,6br,8ar,12as,12br)-3-(acetyloxy)-3-hydroxy-2,2,6a,6b,9,9,12a-heptamethyl-10-oxo-1,4,5,6,7,8,8a,11,12,12b-decahydropicene-4a-carboxylic acid
(3s,4ar,6as,6br,8ar,12as,12br)-3-(acetyloxy)-3-hydroxy-2,2,6a,6b,9,9,12a-heptamethyl-10-oxo-1,4,5,6,7,8,8a,11,12,12b-decahydropicene-4a-carboxylic acid
(3r)-3-[(2r,3s,8r)-5-hydroxy-2,3-dimethyl-8-[(2r)-5-methyl-2-(prop-1-en-2-yl)hex-4-en-1-yl]-8-(3-methylbut-2-en-1-yl)-4,7-dioxo-2,3-dihydro-1-benzopyran-6-yl]hexanoic acid
(3r)-3-[(2r,3s,8r)-5-hydroxy-2,3-dimethyl-8-[(2r)-5-methyl-2-(prop-1-en-2-yl)hex-4-en-1-yl]-8-(3-methylbut-2-en-1-yl)-4,7-dioxo-2,3-dihydro-1-benzopyran-6-yl]hexanoic acid
3-{5-hydroxy-2,3-dimethyl-8-[5-methyl-2-(prop-1-en-2-yl)hex-4-en-1-yl]-8-(3-methylbut-2-en-1-yl)-4,7-dioxo-2,3-dihydro-1-benzopyran-6-yl}hexanoic acid
3-{5-hydroxy-2,3-dimethyl-8-[5-methyl-2-(prop-1-en-2-yl)hex-4-en-1-yl]-8-(3-methylbut-2-en-1-yl)-4,7-dioxo-2,3-dihydro-1-benzopyran-6-yl}hexanoic acid
(2e,10e,12e,16e,18e)-17-ethyl-6-hydroxy-3,5,7,9,11,15-hexamethyl-8-oxo-19-(6-oxo-2,3-dihydropyran-2-yl)nonadeca-2,10,12,16,18-pentaenoic acid
(2e,10e,12e,16e,18e)-17-ethyl-6-hydroxy-3,5,7,9,11,15-hexamethyl-8-oxo-19-(6-oxo-2,3-dihydropyran-2-yl)nonadeca-2,10,12,16,18-pentaenoic acid