Specification: |
1-Azetidinecarboxylicacid, 3-(1-ethoxyethoxy)-2-oxo-4-phenyl-, 1,1-dimethylethyl ester, (3R,4S)- , with CAS number of 201856-57-7, can be called 3-(1-Ethoxyethoxy)-2-oxo-4-phenyl-1-azetidinecarboxylic acid 1,1-dimethylethyl ester ; (3r,4s)-tert-butyl 3-(1-ethoxyethoxy)-2-oxo-4-phenylazetidine-1-carboxylate ; (3r,4s)-1-azetidinecarboxylic acid-3-(2-ethoxyethoxy)-4-phenyl-2-phenyl-azetidione ; (3r,4s)-1-t-butoxycarbonyl-3-(2-ethoxyethoxyl)-4-phenyl-2-azetidinone ; (3r,4s)-1-t-butoxycarbonyl-3-(2-ethoxyethoxyl)-4-phenyl-2-azetidinone,98% ; side chains of docetaxel--1 ; (1-Ethoxyethoxy)-2-oxo-4-phenyl-1-azetidinecarboxylic acid 1,1-dimethyl ethyl ester .
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