1-(2,4,5-Trimethoxyphenyl)ethan-1-one 1-(2,4,5-Trimethoxyphenyl)ethanone 1818-28-6 2,4,5-Trimethoxyacetophenone Acetophenone, 2',4',5'-trimethoxy- EINECS 217-333-4 Ethanone, 1-(2,4,5-trimethoxyphenyl)- NSC 401454