2051-59-4 2H-1-Benzopyran-2-one, 6-chloro- (9CI) 5-17-10-00146 (Beilstein Handbook Reference) 6-Chloro-2H-1-benzopyran-2-one 6-Chlorocoumarin AI3-03685 BRN 0128035 COUMARIN, 6-CHLORO- NSC 4140