ABO

[1. Symbol for blood group systems, under system.

Molecular Formula: C₂₁H₁₆N₄O₂

InChI: InChI=1/C21H16N4O2/c1-27-19-11-13(7-9-18(19)26)12-6-8-14-17(10-12)24-25-20(14)21-22-15-4-2-3-5-16(15)23-21/h2-11,24-25H,1H3,(H,22,23)/b13-12+/f/h22H

InChIKey: InChIKey=YQKHRUUVDDHQER-NMJMFXMXDW
SMILES: COC1=CC(=C2C=CC3=C(NNC3=C2)C4=NC5=CC=CC=C5N4)C=CC1=O

Names:
    ABO
    (4E)-4-[3-(1H-benzoimidazol-2-yl)-1,2-dihydroindazol-6-ylidene]-2-methoxy-cyclohexa-2,5-dien-1-one
    4-[3-(1H-BENZIMIDAZOL-2-YL)-1H-INDAZOL-6-YL]-2-METHOXYPHENOL

Registries:
    PubChem CID 11581204
    PubChem ID 8142636