57227-84-6 CR 651 HYDROCINNAMAMIDE, N-BUTYL-4-(2-(1-PYRROLIDINYL)ETHOXY)-alpha-(p-TOLUOYLAMINO)-, Hydrocinnamamide, N-butyl-4-(2-(1-pyrrolidinyl)ethoxy)-alpha-(p-toluoylamino)-, oxalate, (+-)- O-(2-Pyrrolidyl-N'-ethyl)-N-toluoyl-DL-tyrosyl-n-butylamide oxalate