英文别名2-(O-Chlorophenyl)-2-(p-chlorophenyl) acetic acid; 2,2-di(o,p'-chlorophenyl) acetic acid; 2-chloro-.alpha.- (4-chlorophenyl)-Benzeneacetic acid; o,p'-DDA; (2-Chlorophenyl)(4-chlorophenyl)acetic acid; o,p'-Dichlorodiphenylacetic acid; 2,4'-DDA; 2,4'-Dichlor-diphenyl-essigsaeure 
