12239-58-6 136403-01-5 27425-55-4 2H-1-Benzopyran-2-one, 3-(1H-benzimidazol-2-yl)-7-(diethylamino)- 3-(1H-Benzimidazol-2-yl)-7-(diethylamino)-2-benzopyrone 3-(Benzimidazol-2-yl)-7-diethylaminocoumarin 54576-77-1 Coumarin 7 Coumarin, 3-(2-benzimidazolyl)-7-(diethylamino)- EINECS 248-451-4 NSC 303254