119739-80-9 2H-1-Benzopyran-2-one, 3-chloro-7-hydroxy-4-methyl- 3-Chloro-4-methyl-7-hydroxycoumarin 3-Chloro-7-hydroxy-4-methyl-2-benzopyrone 6174-86-3 7-Hydroxy-4-methyl-3-chlorocoumarin Chlorferone Chlorferron Coumarin, 3-chloro-7-hydroxy-4-methyl- EINECS 228-217-8 NSC 24924 NSC 44204