161183-22-8

Docetaxel Impurity 58 Taxol-side chain b-lactaM Taxol-side chain β-lactam SIDE CHAINS OF DOCETAXEL--3 (3R,4S)-1-T-Butoxycarbonyl-3-A (3R,4S)-1-T-BUTOXYCARBONYL-3-ACETOXY-4-PHENYL-2-AZETIDINONE TbR,4S)-1-t-butoxycarbonyl-3-acetoxy-4-phenyl-2-azetidinone (3R,4S)-1-TERT-BUTOXYCARBONYL-3-ACETOXY-4-PHENYL-2-AZETIDINONE (3R,4S)-1-T-BUTOXYCARBONYL-3-ACETOXY -4-PHENYL-2-AZETIDINONE,98+% (3R,4S)-tert-Butyl 3-acetoxy-2-oxo-4-phenylazetidine-1-carboxylate 1-Azetidinecarboxylic acid, 3-(acetyloxy)-2-oxo-4-phenyl-, 1,1-dimethylethyl ester, (3R,4S)-