英文别名2H-1-Benzopyran-2-one, 7-chloro-4-hydroxy-; 7-Chloro-4-hydroxycoumarin; 7-Chloro-4-hydroxy-2H-1-benzopyran-2-one; 7-chloro-4-hydroxychromen-2-one; 2H-1-Benzopyran-2-one,7-chloro-4-hydroxy; 4-hydroxy-7-chlorocoumarin; 7-chloro-2-hydroxychromen-4-one; 7-Chlor-4-hydroxycumarin 
