1-Ethyl-4-(2-morpholinoethyl)-3,3-diphenyl-2-pyrrolidinone 2-Pyrrolidinone, 1-ethyl-4-(2-(4-morpholinyl)ethyl)-3,3-diphenyl- 2-Pyrrolidinone, 1-ethyl-4-(2-(4-morpholinyl)ethyl)-3,3-diphenyl- (9CI) 2-Pyrrolidinone, 1-ethyl-4-(2-morpholinoethyl)-3,3-diphenyl- 309-29-5 BRN 0628691 DOXAPRAM Doxapramum [INN-Latin] EINECS 206-216-3 HSDB 3318