Exact Mass: 440.1031

Exact Mass Matches: 440.1031

Found 74 metabolites which its exact mass value is equals to given mass value 440.1031, within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error 0.001 dalton.

3,5-Dihydroxyphenyl 1-O-(6-O-galloyl-beta-D-glucopyranoside)

[6-(3,5-Dihydroxyphenoxy)-3,4,5-trihydroxyoxan-2-yl]methyl 3,4,5-trihydroxybenzoic acid

C19H20O12 (440.0955)


3,5-Dihydroxyphenyl 1-O-(6-O-galloyl-beta-D-glucopyranoside) is found in green vegetables. 3,5-Dihydroxyphenyl 1-O-(6-O-galloyl-beta-D-glucopyranoside) is isolated from commercial rhubarb (Rheum species). Isolated from commercial rhubarb (Rheum subspecies). 3,5-Dihydroxyphenyl 1-O-(6-O-galloyl-beta-D-glucopyranoside) is found in green vegetables.

   

Pongamoside A

2- [ 3- (beta-D-Glucopyranosyloxy) phenyl ] -4H-furo [ 2,3-h ] -1-benzopyran-4-one

C23H20O9 (440.1107)


   

(+)-Mitorubrinol acetate

(+)-Mitorubrinol acetate

C23H20O9 (440.1107)


   

sulfatricalysine B

sulfatricalysine B

C16H24O12S (440.0988)


   

3-O-(3,4-dihydroxy-trans-cinnamoyl)-4-O-malonyl-quinic acid

3-O-(3,4-dihydroxy-trans-cinnamoyl)-4-O-malonyl-quinic acid

C19H20O12 (440.0955)


   
   

(+)-mitorubrinol acetate|mitorubrinol acetate

(+)-mitorubrinol acetate|mitorubrinol acetate

C23H20O9 (440.1107)


   

4-O-(E)-caffeoyl-5-O-malonylquinic acid|dihydroxy-5-carboxyacetoxy-4-[(E)-3-(3,4-dihydroxyphenyl)acryloyloxy]cyclohexanecarboxylic acid

4-O-(E)-caffeoyl-5-O-malonylquinic acid|dihydroxy-5-carboxyacetoxy-4-[(E)-3-(3,4-dihydroxyphenyl)acryloyloxy]cyclohexanecarboxylic acid

C19H20O12 (440.0955)


   

3-O-malonyl-5-O-(E)-caffeoylquinic acid|dihydroxy-3-carboxyacetoxy-5-[(E)-3-(3,4-dihydroxyphenyl)acryloyloxy]cyclohexanecarboxylic acid

3-O-malonyl-5-O-(E)-caffeoylquinic acid|dihydroxy-3-carboxyacetoxy-5-[(E)-3-(3,4-dihydroxyphenyl)acryloyloxy]cyclohexanecarboxylic acid

C19H20O12 (440.0955)


   
   

SCHEMBL2120361

SCHEMBL2120361

C23H20O9 (440.1107)


   

SCHEMBL11064691

SCHEMBL11064691

C23H20O9 (440.1107)


   

3-O-(6-O-galloyl)-beta-D-glucopyranosylmaltol

3-O-(6-O-galloyl)-beta-D-glucopyranosylmaltol

C19H20O12 (440.0955)


   
   

Antibiotic DC 44A

Antibiotic DC 44A

C23H20O9 (440.1107)


   

Cys Cys Asp Thr

(2S,3R)-2-[(2S)-2-[(2R)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-sulfanylpropanamido]-3-carboxypropanamido]-3-hydroxybutanoic acid

C14H24N4O8S2 (440.1036)


   

Cys Cys Glu Ser

(4S)-4-[(2R)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-sulfanylpropanamido]-4-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}butanoic acid

C14H24N4O8S2 (440.1036)


   

Cys Cys Ser Glu

(2S)-2-[(2S)-2-[(2R)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-sulfanylpropanamido]-3-hydroxypropanamido]pentanedioic acid

C14H24N4O8S2 (440.1036)


   

Cys Cys Thr Asp

(2S)-2-[(2S,3R)-2-[(2R)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-sulfanylpropanamido]-3-hydroxybutanamido]butanedioic acid

C14H24N4O8S2 (440.1036)


   

Cys Asp Cys Thr

(2S,3R)-2-[(2R)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-carboxypropanamido]-3-sulfanylpropanamido]-3-hydroxybutanoic acid

C14H24N4O8S2 (440.1036)


   

Cys Asp Thr Cys

(3S)-3-[(2R)-2-amino-3-sulfanylpropanamido]-3-{[(1S,2R)-1-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}propanoic acid

C14H24N4O8S2 (440.1036)


   

Cys Glu Cys Ser

(4S)-4-[(2R)-2-amino-3-sulfanylpropanamido]-4-{[(1R)-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}-2-sulfanylethyl]carbamoyl}butanoic acid

C14H24N4O8S2 (440.1036)


   

Cys Glu Ser Cys

(4S)-4-[(2R)-2-amino-3-sulfanylpropanamido]-4-{[(1S)-1-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}butanoic acid

C14H24N4O8S2 (440.1036)


   

Cys Ser Cys Glu

(2S)-2-[(2R)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-hydroxypropanamido]-3-sulfanylpropanamido]pentanedioic acid

C14H24N4O8S2 (440.1036)


   

Cys Ser Glu Cys

(4S)-4-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-hydroxypropanamido]-4-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}butanoic acid

C14H24N4O8S2 (440.1036)


   

Cys Thr Cys Asp

(2S)-2-[(2R)-2-[(2S,3R)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-hydroxybutanamido]-3-sulfanylpropanamido]butanedioic acid

C14H24N4O8S2 (440.1036)


   

Cys Thr Asp Cys

(3S)-3-[(2S,3R)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-hydroxybutanamido]-3-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}propanoic acid

C14H24N4O8S2 (440.1036)


   

Asp Cys Cys Thr

(2S,3R)-2-[(2R)-2-[(2R)-2-[(2S)-2-amino-3-carboxypropanamido]-3-sulfanylpropanamido]-3-sulfanylpropanamido]-3-hydroxybutanoic acid

C14H24N4O8S2 (440.1036)


   

Asp Cys Thr Cys

(3S)-3-amino-3-{[(1R)-1-{[(1S,2R)-1-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}-2-sulfanylethyl]carbamoyl}propanoic acid

C14H24N4O8S2 (440.1036)


   

Asp Thr Cys Cys

(3S)-3-amino-3-{[(1S,2R)-1-{[(1R)-1-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}-2-sulfanylethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}propanoic acid

C14H24N4O8S2 (440.1036)


   

Glu Cys Cys Ser

(4S)-4-amino-4-{[(1R)-1-{[(1R)-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}-2-sulfanylethyl]carbamoyl}-2-sulfanylethyl]carbamoyl}butanoic acid

C14H24N4O8S2 (440.1036)


   

Glu Cys Ser Cys

(4S)-4-amino-4-{[(1R)-1-{[(1S)-1-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}-2-sulfanylethyl]carbamoyl}butanoic acid

C14H24N4O8S2 (440.1036)


   

Glu Ser Cys Cys

(4S)-4-amino-4-{[(1S)-1-{[(1R)-1-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}-2-sulfanylethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}butanoic acid

C14H24N4O8S2 (440.1036)


   

Ser Cys Cys Glu

(2S)-2-[(2R)-2-[(2R)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-sulfanylpropanamido]-3-sulfanylpropanamido]pentanedioic acid

C14H24N4O8S2 (440.1036)


   

Ser Cys Glu Cys

(4S)-4-[(2R)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-sulfanylpropanamido]-4-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}butanoic acid

C14H24N4O8S2 (440.1036)


   

Ser Glu Cys Cys

(4S)-4-[(2S)-2-amino-3-hydroxypropanamido]-4-{[(1R)-1-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}-2-sulfanylethyl]carbamoyl}butanoic acid

C14H24N4O8S2 (440.1036)


   

Thr Cys Cys Asp

(2S)-2-[(2R)-2-[(2R)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-sulfanylpropanamido]-3-sulfanylpropanamido]butanedioic acid

C14H24N4O8S2 (440.1036)


   

Thr Cys Asp Cys

(3S)-3-[(2R)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-sulfanylpropanamido]-3-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}propanoic acid

C14H24N4O8S2 (440.1036)


   

Thr Asp Cys Cys

(3S)-3-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-{[(1R)-1-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}-2-sulfanylethyl]carbamoyl}propanoic acid

C14H24N4O8S2 (440.1036)


   

3,5-Dihydroxyphenyl 1-O-(6-O-galloyl-b-D-glucopyranoside)

[6-(3,5-dihydroxyphenoxy)-3,4,5-trihydroxyoxan-2-yl]methyl 3,4,5-trihydroxybenzoate

C19H20O12 (440.0955)


   

metamifop

Metamifop [ISO]

C23H18ClFN2O4 (440.0939)


   

Triphenylbismuth

Triphenylbismuth

C18H15Bi (440.0978)


   

BIS[BIS(TRIMETHYLSILYL)AMINO]TIN II

BIS[BIS(TRIMETHYLSILYL)AMINO]TIN II

C12H36N2Si4Sn (440.0977)


   

Bis(indenyl)dimethylhafnium(IV)

Bis(indenyl)dimethylhafnium(IV)

(C9H7)2Hf(CH3)2 (440.1031)


   

(S)-2-[(4-nitro-phenoxy)-phenoxy-phosphorylamino]propionic acid isopropyl ester

(S)-2-[(4-nitro-phenoxy)-phenoxy-phosphorylamino]propionic acid isopropyl ester

C18H21N2O9P (440.0985)


   

3-{2,6,8-Trioxo-9-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]-1,2,3,6,8,9-hexahydro-7H-purin-7-YL}propyl dihydrogen phosphate

3-{2,6,8-Trioxo-9-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]-1,2,3,6,8,9-hexahydro-7H-purin-7-YL}propyl dihydrogen phosphate

C13H21N4O11P (440.0944)


   

3-{2,6,8-Trioxo-9-[(2R,3S,4R)-2,3,4,5-tetrahydroxypentyl]-1,2,3,6,8,9-hexahydro-7H-purin-7-YL}propyl dihydrogen phosphate

3-{2,6,8-Trioxo-9-[(2R,3S,4R)-2,3,4,5-tetrahydroxypentyl]-1,2,3,6,8,9-hexahydro-7H-purin-7-YL}propyl dihydrogen phosphate

C13H21N4O11P (440.0944)


   

3-{2,6,8-Trioxo-9-[(2S,3R,4R)-2,3,4,5-tetrahydroxypentyl]-1,2,3,6,8,9-hexahydro-7H-purin-7-YL}propyl dihydrogen phosphate

3-{2,6,8-Trioxo-9-[(2S,3R,4R)-2,3,4,5-tetrahydroxypentyl]-1,2,3,6,8,9-hexahydro-7H-purin-7-YL}propyl dihydrogen phosphate

C13H21N4O11P (440.0944)


   

3-{2,6,8-Trioxo-9-[(2R,3R,4R)-2,3,4,5-tetrahydroxypentyl]-1,2,3,6,8,9-hexahydro-7H-purin-7-YL}propyl dihydrogen phosphate

3-{2,6,8-Trioxo-9-[(2R,3R,4R)-2,3,4,5-tetrahydroxypentyl]-1,2,3,6,8,9-hexahydro-7H-purin-7-YL}propyl dihydrogen phosphate

C13H21N4O11P (440.0944)


   

S-D-mandeloylglutathione

S-D-mandeloylglutathione

C18H22N3O8S- (440.1128)


   

3-(2-chlorophenyl)-6-(3-cyclopentyloxy-4-methoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine

3-(2-chlorophenyl)-6-(3-cyclopentyloxy-4-methoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine

C22H21ClN4O2S (440.1074)


   

2-[[4-(2,5-dimethylphenyl)-5-(2-methyl-3-furanyl)-1,2,4-triazol-3-yl]thio]-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide

2-[[4-(2,5-dimethylphenyl)-5-(2-methyl-3-furanyl)-1,2,4-triazol-3-yl]thio]-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide

C20H20N6O2S2 (440.1089)


   

3,5-Dihydroxyphenyl 1-O-(6-O-galloyl-beta-D-glucopyranoside)

3,5-Dihydroxyphenyl 1-O-(6-O-galloyl-beta-D-glucopyranoside)

C19H20O12 (440.0955)


   

(E/Z)-ZINC09659342

(E/Z)-ZINC09659342

C23H15F3N2O4 (440.0984)


(E/Z)-ZINC09659342 is an inhibitor of Lbc-RhoA interaction[1].

   

(1s,3r,4r,5r)-4-[(2-carboxyacetyl)oxy]-3-{[(2e)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-1,5-dihydroxycyclohexane-1-carboxylic acid

(1s,3r,4r,5r)-4-[(2-carboxyacetyl)oxy]-3-{[(2e)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-1,5-dihydroxycyclohexane-1-carboxylic acid

C19H20O12 (440.0955)


   

(1s,3r,4r,5r)-3-[(2-carboxyacetyl)oxy]-5-{[(2e)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-1,4-dihydroxycyclohexane-1-carboxylic acid

(1s,3r,4r,5r)-3-[(2-carboxyacetyl)oxy]-5-{[(2e)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-1,4-dihydroxycyclohexane-1-carboxylic acid

C19H20O12 (440.0955)


   

methyl 6-chloro-5,7-dihydroxy-7-methyl-1-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-1h,4ah,5h,6h,7ah-cyclopenta[c]pyran-4-carboxylate

methyl 6-chloro-5,7-dihydroxy-7-methyl-1-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-1h,4ah,5h,6h,7ah-cyclopenta[c]pyran-4-carboxylate

C17H25ClO11 (440.1085)


   

(1s,3r,4r,5r)-3-[(2-carboxyacetyl)oxy]-5-{[3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-1,4-dihydroxycyclohexane-1-carboxylic acid

(1s,3r,4r,5r)-3-[(2-carboxyacetyl)oxy]-5-{[3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-1,4-dihydroxycyclohexane-1-carboxylic acid

C19H20O12 (440.0955)


   

[(2r,3s,4r,5r,6r)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(3,4,5-trimethoxyphenyl)methoxy]oxan-3-yl]oxidanesulfonic acid

[(2r,3s,4r,5r,6r)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(3,4,5-trimethoxyphenyl)methoxy]oxan-3-yl]oxidanesulfonic acid

C16H24O12S (440.0988)


   

(1r,4s,5s,8s,9s,11r,14s,15s,17s,19r)-5,8,15-trihydroxy-11-(methylsulfanyl)-21-thia-3,13-diazahexacyclo[15.3.1.0¹,¹³.0³,¹¹.0⁴,⁹.0¹⁴,¹⁹]henicosane-2,12,18-trione

(1r,4s,5s,8s,9s,11r,14s,15s,17s,19r)-5,8,15-trihydroxy-11-(methylsulfanyl)-21-thia-3,13-diazahexacyclo[15.3.1.0¹,¹³.0³,¹¹.0⁴,⁹.0¹⁴,¹⁹]henicosane-2,12,18-trione

C19H24N2O6S2 (440.1076)


   

(1s,3r,4r,5r)-3-[(2-carboxyacetyl)oxy]-4-{[3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-1,5-dihydroxycyclohexane-1-carboxylic acid

(1s,3r,4r,5r)-3-[(2-carboxyacetyl)oxy]-4-{[3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-1,5-dihydroxycyclohexane-1-carboxylic acid

C19H20O12 (440.0955)


   

4-[(2-carboxyacetyl)oxy]-3-{[3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-1,5-dihydroxycyclohexane-1-carboxylic acid

4-[(2-carboxyacetyl)oxy]-3-{[3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-1,5-dihydroxycyclohexane-1-carboxylic acid

C19H20O12 (440.0955)


   

(1s,3r,4r,5r)-3-[(2-carboxyacetyl)oxy]-4-{[(2e)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-1,5-dihydroxycyclohexane-1-carboxylic acid

(1s,3r,4r,5r)-3-[(2-carboxyacetyl)oxy]-4-{[(2e)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-1,5-dihydroxycyclohexane-1-carboxylic acid

C19H20O12 (440.0955)


   

[(2r,3s,4s,5r,6s)-3,4,5-trihydroxy-6-[(2-methyl-4-oxopyran-3-yl)oxy]oxan-2-yl]methyl 3,4,5-trihydroxybenzoate

[(2r,3s,4s,5r,6s)-3,4,5-trihydroxy-6-[(2-methyl-4-oxopyran-3-yl)oxy]oxan-2-yl]methyl 3,4,5-trihydroxybenzoate

C19H20O12 (440.0955)


   

[4,5-dihydroxy-2-(hydroxymethyl)-6-[(3,4,5-trimethoxyphenyl)methoxy]oxan-3-yl]oxidanesulfonic acid

[4,5-dihydroxy-2-(hydroxymethyl)-6-[(3,4,5-trimethoxyphenyl)methoxy]oxan-3-yl]oxidanesulfonic acid

C16H24O12S (440.0988)


   

{3,4,5-trihydroxy-6-[(2-methyl-4-oxopyran-3-yl)oxy]oxan-2-yl}methyl 3,4,5-trihydroxybenzoate

{3,4,5-trihydroxy-6-[(2-methyl-4-oxopyran-3-yl)oxy]oxan-2-yl}methyl 3,4,5-trihydroxybenzoate

C19H20O12 (440.0955)


   

5,8,15-trihydroxy-11-(methylsulfanyl)-21-thia-3,13-diazahexacyclo[15.3.1.0¹,¹³.0³,¹¹.0⁴,⁹.0¹⁴,¹⁹]henicosane-2,12,18-trione

5,8,15-trihydroxy-11-(methylsulfanyl)-21-thia-3,13-diazahexacyclo[15.3.1.0¹,¹³.0³,¹¹.0⁴,⁹.0¹⁴,¹⁹]henicosane-2,12,18-trione

C19H24N2O6S2 (440.1076)


   

16-hydroxy-2-methoxy-10-(3,4,5-trimethoxyphenyl)-4,6,13-trioxatetracyclo[7.7.0.0³,⁷.0¹¹,¹⁵]hexadeca-1,3(7),8,10,15-pentaen-12-one

16-hydroxy-2-methoxy-10-(3,4,5-trimethoxyphenyl)-4,6,13-trioxatetracyclo[7.7.0.0³,⁷.0¹¹,¹⁵]hexadeca-1,3(7),8,10,15-pentaen-12-one

C23H20O9 (440.1107)


   

methyl (1s,4as,5s,6r,7r,7as)-6-chloro-5,7-dihydroxy-7-methyl-1-{[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-1h,4ah,5h,6h,7ah-cyclopenta[c]pyran-4-carboxylate

methyl (1s,4as,5s,6r,7r,7as)-6-chloro-5,7-dihydroxy-7-methyl-1-{[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-1h,4ah,5h,6h,7ah-cyclopenta[c]pyran-4-carboxylate

C17H25ClO11 (440.1085)


   

3-[3-(acetyloxy)prop-1-en-1-yl]-7-methyl-6,8-dioxoisochromen-7-yl 2,4-dihydroxy-6-methylbenzoate

3-[3-(acetyloxy)prop-1-en-1-yl]-7-methyl-6,8-dioxoisochromen-7-yl 2,4-dihydroxy-6-methylbenzoate

C23H20O9 (440.1107)


   

2-(3-{[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}phenyl)furo[2,3-h]chromen-4-one

2-(3-{[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}phenyl)furo[2,3-h]chromen-4-one

C23H20O9 (440.1107)


   

(7s)-3-[(1e)-3-(acetyloxy)prop-1-en-1-yl]-7-methyl-6,8-dioxoisochromen-7-yl 2,4-dihydroxy-6-methylbenzoate

(7s)-3-[(1e)-3-(acetyloxy)prop-1-en-1-yl]-7-methyl-6,8-dioxoisochromen-7-yl 2,4-dihydroxy-6-methylbenzoate

C23H20O9 (440.1107)


   

2-(3-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}phenyl)furo[2,3-h]chromen-4-one

2-(3-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}phenyl)furo[2,3-h]chromen-4-one

C23H20O9 (440.1107)