Keywords: 4-hydroxy-2H-chromen-2-one 200.svg validSVG Structure of 4-hydroxy-2H-chromen-2-one Own 2014-04-18 Emeldir <span class signature-talk >talk</span> Chemical structure verified https //upload wikimedia org/wikipedia/commons/6/6e/4-hydroxy-2H-chromen-2-one_200 svg 1S/C9H6O3/c10-7-5-9 11 12-8-4-2-1-3-6 7 8/h1-5 10H VXIXUWQIVKSKSA-UHFFFAOYSA-N 1076-38-6 Synonyms <small>2H-1-Benzopyran-2-one 4-hydroxy- 2H-1-Benzopyran-2-one 4-hydroxy- 9CI 4-Coumarinol 4-Coumarinyl alcohol 4-Hydroxy-1-benzopyran-2-one 4-Hydroxy-2H-1-benzopyran-2-one 4-Hydroxy-2H-Chromen-2-one 4-Hydroxy-chromen-2-one 4-Hydroxycoumarin 4-Hydroxycoumarin ring-14C U Benzotetronic acid Coumarin 4-hydroxy- 8CI Coumarinol WLN T66 BOVJ EQ</small> PD-chem Coumarins Hydroxy compounds |