1076-38-6 2H-1-BENZOPYRAN-2-ONE, 4-HYDROXY- 4-Coumarinol 4-Hydroxycoumarin 5-18-01-00378 (Beilstein Handbook Reference) AI3-52393 BRN 0129768 Benzotetronic acid Coumarin, 4-hydroxy- Coumarin, 4-hydroxy- (8CI) EINECS 214-060-2 NSC 11889