1886-38-0 2-Azetidinone, 3-ethyl-1-methyl-3-phenyl- 2-Azetidinone, 3-ethyl-N-methyl-3-phenyl- 3-Ethyl-1-methyl-3-phenyl-2-azetidinone 3-Etil-3-metil-2-azetidinone L 1743 N-Methyl-3-phenyl-3-ethyl-2-azetidinone NSC169419 WLN: T4NVTJ A1 C2 CR