31772-43-7

2,5-dimethyl-3-chloroacetylthiophene Chloromethyl Thienyl Ketone deriv. 10 2-chloro-1-(2,5-dimethyl-3-thienyl)ethanone Ethanone,2-chloro-1-(2,5-diMethyl-3-thienyl)- 2-chloro-1-(2,5-dimethylthiophen-3-yl)ethanone