137373-68-3 2H-1-Benzopyran-2-one, 7-(diethylamino)-3-(1-methyl-1H-benzimidazol-2-yl)- 41044-12-6 54576-78-2 7-(Diethylamino)-3-(1-methyl-1H-benzimidazol-2-yl)-2-benzopyrone 76363-49-0 CCRIS 4959 Coumarin 30 EINECS 255-186-8 NSC 290433