4-PIPERIDINOL, 3-ETHYL-1-METHYL-4-PHENYL-, PROPIONATE (ESTER) 4-Piperidinol, 3-ethyl-1-methyl-4-phenyl-, propanoate (ester), trans- 4-Piperidinol, 3-ethyl-1-methyl-4-phenyl-, propionate (ester 468-50-8 Betameprodina [INN-Spanish] Betameprodine Betameprodine [BAN:DCF:INN] Betameprodinum [INN-Latin] DEA No. 9608 EINECS 207-407-4 Meprodine Nu 1732 beta-1-Methyl-3-ethyl-4-phenyl-4-propionoxy-piperidin beta-3-Ethyl-1-methyl-4-phenyl-4-propionoxypiperidine beta-3-Ethyl-1-methyl-4-phenyl-4-propionyloxypiperidine