[(4E)-4-(2-oxidaniumylidene-7-oxidanyl-4-oxidanylidene-chromen-3-ylidene)-8-oxidanyl-pyrano[2,3-b]chromen-5-ylidene]oxidanium

Systemtic Name: [(4E)-4-(2-oxidaniumylidene-7-oxidanyl-4-oxidanylidene-chromen-3-ylidene)-8-oxidanyl-pyrano[2,3-b]chromen-5-ylidene]oxidanium Openeye Name: [(3E)-7-hydroxy-3-(8-hydroxy-5-oxoniumylidene-pyrano[2,3-b]chromen-4-ylidene)-4-oxo-chroman-2-ylidene]oxonium CAS Name: [(3E)-7-hydroxy-3-(8-hydroxy-5-oxoniumylidene-4-pyrano[2,3-b][1]benzopyranylidene)-4-oxo-3,4-dihydro-2H-1-benzopyran-2-ylidene]oxonium IUPAC Name: [(3E)-7-hydroxy-3-(8-hydroxy-5-oxoniumylidenepyrano[2,3-b]chromen-4-ylidene)-4-oxochromen-2-ylidene]oxidanium Traditional Name: [(4E)-8-hydroxy-4-(7-hydroxy-4-keto-2-oxoniumylidene-chroman-3-ylidene)pyrano[2,3-b]chromen-5-ylidene]oxonium Formula: C21H12O8+2 MolecularWeight: 392.31518

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Descriptors Computed from Structure

Canonical SMILES:

C1=CC2=C(C=C1O)OC3=C(C2=[OH+])C(=C4C(=O)C5=C(C=C(C=C5)O)OC4=[OH+])C=CO3

Isomeric SMILES

C1=CC2=C(C=C1O)OC3=C(C2=[OH+])/C(=C/4\C(=O)C5=C(C=C(C=C5)O)OC4=[OH+])/C=CO3

InChI

InChI=1S/C21H10O8/c22-9-1-3-11-14(7-9)28-20(26)16(18(11)24)13-5-6-27-21-17(13)19(25)12-4-2-10(23)8-15(12)29-21/h1-8,22-23H/p+2/b16-13+