Exact Mass: 276.0634
Exact Mass Matches: 276.0634
Found 93 metabolites which its exact mass value is equals to given mass value 276.0634,
within given mass tolerance error 0.0002 dalton. Try search metabolite list with more accurate mass tolerance error
4.0E-5 dalton.
O-Demethylfonsecin
2,5,6,8-tetrahydroxy-2-methyl-2H,3H,4H-naphtho[2,3-b]pyran-4-one
O-Demethylfonsecin is a pigment from a mutant of Aspergillus fonsecaeus also known as Aspergillus carbonarius. Pigment from a mutant of Aspergillus fonsecaeus also known as Aspergillus carbonarius.
2-Acetonyl-3,5-dihydroxy-7-methoxy-1,4-naphthoquinone
2-Acetonyl-3,5-dihydroxy-7-methoxy-1,4-naphthoquinone
2-Oxo-4-(3,4-dihydroxyphenethyl)-2H-pyran-6-carboxylic acid
2-Oxo-4-(3,4-dihydroxyphenethyl)-2H-pyran-6-carboxylic acid
1,3-dihydroxy-10-(ethoxycarbonyl)benzotropolone|ethyl 2,4,6-trihydroxy-5-oxo-5H-benzo[b]cycloheptene-8-carboxylate|goupiolone A
1,3-dihydroxy-10-(ethoxycarbonyl)benzotropolone|ethyl 2,4,6-trihydroxy-5-oxo-5H-benzo[b]cycloheptene-8-carboxylate|goupiolone A
6-carboxy-7-isobutyryloxy-coumarin|6-Carboxy-7-isobutyryloxy-cumarin|6-carboxy-7-isobutyryloxycoumarin
6-carboxy-7-isobutyryloxy-coumarin|6-Carboxy-7-isobutyryloxy-cumarin|6-carboxy-7-isobutyryloxycoumarin
6-[2-(2,4-dihydroxy-6-methylphenyl)-2-oxoethyl]-4-hydroxy-pyran-2-one
6-[2-(2,4-dihydroxy-6-methylphenyl)-2-oxoethyl]-4-hydroxy-pyran-2-one
A member of the class of 2-pyranones that is 2H-pyran-2-one in which the hydrogens at positions 4 and 6 are substituted by hydroxy and (2,4-dihydroxy-6-methylphenyl)-2-oxoethyl groups respectively.
C14H12O6_Spiro[cyclopent-4-ene-1,1(3H)-isobenzofuran]-3,3-dione, 2,4-dihydroxy-6-methoxy-5-methyl
NCGC00381160-01_C14H12O6_Spiro[cyclopent-4-ene-1,1(3H)-isobenzofuran]-3,3-dione, 2,4-dihydroxy-6-methoxy-5-methyl-
7-(hydroxymethyl)-4,9-dimethoxyfuro[3,2-g]chromen-5-one
7-(hydroxymethyl)-4,9-dimethoxyfuro[3,2-g]chromen-5-one
1,14-DIMETHYL-4,10-DIOXATETRACYCLO[5.5.2.0(2,6).0(8,12)]TETRADEC-13-ENE-3,5,9,11-TETRAONE
1,14-DIMETHYL-4,10-DIOXATETRACYCLO[5.5.2.0(2,6).0(8,12)]TETRADEC-13-ENE-3,5,9,11-TETRAONE
7H-Furo[3,2-g][1]benzopyran-7-one, 4,5,6-trimethoxy-
7H-Furo[3,2-g][1]benzopyran-7-one, 4,5,6-trimethoxy-
4-(7-Hydroxy-5-methyl-4-oxochromen-2-yl)-3-oxobutanoic acid
4-(7-Hydroxy-5-methyl-4-oxochromen-2-yl)-3-oxobutanoic acid
2-(2,4-Dihydroxy-6-methylbenzoyl)benzene-1,3,5-triol
2-(2,4-Dihydroxy-6-methylbenzoyl)benzene-1,3,5-triol
Dehydrocitreoisocoumarin
Dehydrocitreoisocoumarin
A member of the class of isocoumarins that is 1H-isochromen-1-one substituted by a 2,4-dioxopentyl group at position 3 and by hydroxy groups at positions 6 and 8.
3,6,7,9-tetrahydroxy-3-methyl-2,3-dihydro-1H-benzo[f]chromen-1-one
3,6,7,9-tetrahydroxy-3-methyl-2,3-dihydro-1H-benzo[f]chromen-1-one
3,7,9-trihydroxy-3-methyl-1h,4h-naphtho[2,3-c]pyran-5,10-dione
3,7,9-trihydroxy-3-methyl-1h,4h-naphtho[2,3-c]pyran-5,10-dione
7-hydroxy-5-methoxy-3-(5-methyl-2-oxo-5h-furan-3-yl)-3h-2-benzofuran-1-one
7-hydroxy-5-methoxy-3-(5-methyl-2-oxo-5h-furan-3-yl)-3h-2-benzofuran-1-one
5-hydroxy-1,7-dimethoxy-1h,3h-naphtho[2,3-c]furan-4,9-dione
5-hydroxy-1,7-dimethoxy-1h,3h-naphtho[2,3-c]furan-4,9-dione
methyl (2z)-3-(8-hydroxy-6-methoxy-1-oxoisochromen-3-yl)prop-2-enoate
methyl (2z)-3-(8-hydroxy-6-methoxy-1-oxoisochromen-3-yl)prop-2-enoate
8-hydroxy-2-(hydroxymethyl)-9-methoxy-5h-pyrano[3,2-c]chromen-4-one
8-hydroxy-2-(hydroxymethyl)-9-methoxy-5h-pyrano[3,2-c]chromen-4-one
2,5,7-trihydroxy-1-methoxy-4a,9a-dihydroxanthen-9-one
2,5,7-trihydroxy-1-methoxy-4a,9a-dihydroxanthen-9-one
7,9-dihydroxy-6-methoxy-3-methyl-1h-pyrano[4,3-b]chromen-10-one
7,9-dihydroxy-6-methoxy-3-methyl-1h-pyrano[4,3-b]chromen-10-one
[(3ar)-6,8-dihydroxy-1-oxo-2h,3h-cyclopenta[b]chromen-3a-yl]acetic acid
[(3ar)-6,8-dihydroxy-1-oxo-2h,3h-cyclopenta[b]chromen-3a-yl]acetic acid
(1r)-5-hydroxy-1,7-dimethoxy-1h,3h-naphtho[2,3-c]furan-4,9-dione
(1r)-5-hydroxy-1,7-dimethoxy-1h,3h-naphtho[2,3-c]furan-4,9-dione
(2r,3r,4r)-3,4,9-trihydroxy-2-methyl-2h,3h,4h-naphtho[2,3-b]pyran-5,10-dione
(2r,3r,4r)-3,4,9-trihydroxy-2-methyl-2h,3h,4h-naphtho[2,3-b]pyran-5,10-dione
(1s)-1,6-dihydroxy-8-methoxy-1-methyl-2h-cyclopenta[c]isochromene-3,5-dione
(1s)-1,6-dihydroxy-8-methoxy-1-methyl-2h-cyclopenta[c]isochromene-3,5-dione
2-(5-acetyl-6-hydroxy-1-benzofuran-2-yl)-2-oxoethyl acetate
2-(5-acetyl-6-hydroxy-1-benzofuran-2-yl)-2-oxoethyl acetate
(3s)-7-hydroxy-3-methyl-10-oxo-1h,3h,4h-pyrano[4,3-b]chromene-9-carboxylic acid
(3s)-7-hydroxy-3-methyl-10-oxo-1h,3h,4h-pyrano[4,3-b]chromene-9-carboxylic acid
(3s)-3-hydroxy-4-(5-hydroxy-1,4-dioxonaphthalen-2-yl)butanoic acid
(3s)-3-hydroxy-4-(5-hydroxy-1,4-dioxonaphthalen-2-yl)butanoic acid
(3r)-7-hydroxy-5-methoxy-3-(5-methyl-2-oxo-5h-furan-3-yl)-3h-2-benzofuran-1-one
(3r)-7-hydroxy-5-methoxy-3-(5-methyl-2-oxo-5h-furan-3-yl)-3h-2-benzofuran-1-one
8,12-dihydroxy-10-(hydroxymethyl)-6-methoxy-3-oxatricyclo[7.3.1.0⁵,¹³]trideca-1(13),5,7,9,11-pentaen-2-one
8,12-dihydroxy-10-(hydroxymethyl)-6-methoxy-3-oxatricyclo[7.3.1.0⁵,¹³]trideca-1(13),5,7,9,11-pentaen-2-one
3,4-dihydroxy-5-(3-hydroxy-5-methylphenoxy)benzoic acid
3,4-dihydroxy-5-(3-hydroxy-5-methylphenoxy)benzoic acid
6-[(2-acetyl-3,5-dihydroxyphenyl)methyl]-4-hydroxypyran-2-one
6-[(2-acetyl-3,5-dihydroxyphenyl)methyl]-4-hydroxypyran-2-one
(5r)-5,12-dihydroxy-6-methoxy-10-methyl-3-oxatricyclo[7.3.1.0⁵,¹³]trideca-1(13),6,9,11-tetraene-2,8-dione
(5r)-5,12-dihydroxy-6-methoxy-10-methyl-3-oxatricyclo[7.3.1.0⁵,¹³]trideca-1(13),6,9,11-tetraene-2,8-dione
4-methoxy-6-(4-methoxy-2h-1,3-benzodioxol-5-yl)pyran-2-one
4-methoxy-6-(4-methoxy-2h-1,3-benzodioxol-5-yl)pyran-2-one
1,7,9-trihydroxy-3-methyl-1h,3h,4h-naphtho[2,3-c]pyran-5,10-dione
1,7,9-trihydroxy-3-methyl-1h,3h,4h-naphtho[2,3-c]pyran-5,10-dione
ethyl 1,3,9-trihydroxy-8-oxobenzo[7]annulene-6-carboxylate
ethyl 1,3,9-trihydroxy-8-oxobenzo[7]annulene-6-carboxylate
6-(2h-1,3-benzodioxol-5-yl)-4,5-dimethoxypyran-2-one
6-(2h-1,3-benzodioxol-5-yl)-4,5-dimethoxypyran-2-one
(1s,5's)-4,5'-dihydroxy-6-methoxy-2'-methylspiro[2-benzofuran-1,1'-cyclopentan]-2'-ene-3,4'-dione
(1s,5's)-4,5'-dihydroxy-6-methoxy-2'-methylspiro[2-benzofuran-1,1'-cyclopentan]-2'-ene-3,4'-dione
4-(3,4-dihydroxybenzoyl)-5-methoxybenzene-1,3-diol
4-(3,4-dihydroxybenzoyl)-5-methoxybenzene-1,3-diol
{6,8-dihydroxy-1-oxo-2h,3h-cyclopenta[b]chromen-3a-yl}acetic acid
{6,8-dihydroxy-1-oxo-2h,3h-cyclopenta[b]chromen-3a-yl}acetic acid
4-[2-(3,4-dihydroxyphenyl)ethyl]-6-oxopyran-2-carboxylic acid
4-[2-(3,4-dihydroxyphenyl)ethyl]-6-oxopyran-2-carboxylic acid
3,5-dihydroxy-2-[(2s,3s)-3-methyl-5-oxooxolan-2-yl]chromen-4-one
3,5-dihydroxy-2-[(2s,3s)-3-methyl-5-oxooxolan-2-yl]chromen-4-one
1,6-dihydroxy-8-methoxy-1-methyl-2h-cyclopenta[c]isochromene-3,5-dione
1,6-dihydroxy-8-methoxy-1-methyl-2h-cyclopenta[c]isochromene-3,5-dione
6-[2-(2,4-dihydroxy-6-methylphenyl)-2-oxoethyl]-4-hydroxypyran-2-one
6-[2-(2,4-dihydroxy-6-methylphenyl)-2-oxoethyl]-4-hydroxypyran-2-one
2-(3,5-dihydroxybenzoyl)-5-methoxybenzene-1,3-diol
2-(3,5-dihydroxybenzoyl)-5-methoxybenzene-1,3-diol
methyl (2e)-3-(8-hydroxy-6-methoxy-1-oxoisochromen-3-yl)prop-2-enoate
methyl (2e)-3-(8-hydroxy-6-methoxy-1-oxoisochromen-3-yl)prop-2-enoate
5,12-dihydroxy-6-methoxy-10-methyl-3-oxatricyclo[7.3.1.0⁵,¹³]trideca-1(13),6,9,11-tetraene-2,8-dione
5,12-dihydroxy-6-methoxy-10-methyl-3-oxatricyclo[7.3.1.0⁵,¹³]trideca-1(13),6,9,11-tetraene-2,8-dione
4,6,12-trihydroxy-8-methoxy-10-methyl-3-oxatricyclo[7.3.1.0⁵,¹³]trideca-1(13),5,7,9,11-pentaen-2-one
4,6,12-trihydroxy-8-methoxy-10-methyl-3-oxatricyclo[7.3.1.0⁵,¹³]trideca-1(13),5,7,9,11-pentaen-2-one
