Entry ID : bmse000077 Chem. Comp. : Coumarin Formula : C9 H6 O2 Formula Wt. : 146.1427 InChi Code : InChI=1S/C9H6O2/c10-9-6-5-7-3-1-2-4-8(7)11-9/h1-6H is Aromatic :