2H-1-Benzopyran-2-one, 3-(2,6-diethylphenyl)-4-hydroxy- 3-(2,6-Diethylphenyl)-4-hydroxy-2H-1-benzopyran-2-one 3-(2,6-Diethylphenyl)-4-hydroxycoumarin 5-18-02-00351 (Beilstein Handbook Reference) 73791-08-9 BRN 1291695 COUMARIN, 3-(2,6-DIETHYLPHENYL)-4-HYDROXY-