CR 644 Hydrocinnamamide, 4-(2-(diethylamino)ethoxy)-N,N-dipropyl-alpha-((p-methoxybenzoyl)amino)-, oxalate, (+-)- MW4909600 O-(2-Diethylaminoethyl)-N-(p-methoxybenzoyl)-DL-tyrosyl-di-n-propylamide oxalate