1-BUTANONE, 2,3-DIPHENYL-1-(4-(2-(1-PYRROLIDINYL)ETHOXY)PHENYL)- 2,3-Diphenyl-1-(4-(2-(1-pyrrolidinyl)ethoxy)phenyl)-1-butanone 3-Methyl-4'-(beta-pyrrolidinoethoxy)-2,3-dimethylpropiophenone 55620-98-9 BRN 4561056 E 492 E-492