(3R,4S)-3-triethylsilanyloxy-4-phenyl-N-Boc-2-azetidinoneDOCETAXEL SIDE CHAIN NO 2(3R,4S)-1-Azetidinecarboxylic(3R,4S)-3triethylsilanyloxy-4-pheny-N-Boc-2-azetidinone(3R ,4S )-N -BOC-4-phenyl-3-(triethylsilyloxy)-azetidinone(3R,4S)-1-t-Boc-3-[(triethylsilyl)oxy]-4-phenyl-2-azatidinone(3R,4S)-1-t-Boc-3-[(triethylsilyl)oxy]-4-phenyl-2-azetidinone(3R,4S)-tert-Butyl 2-oxo-4-phenyl-3-(triethylsilyloxy)azetid...(3R,4S)-1-t-butoxycarbonyl-3-triethylsilyloxy-4-phenyl-2-azetidinone(3R,4S)-1-TERT-BUTOXYCARBONYL-3-TRIETHYLSILYLOXY-4-PHENYL-2-AZETIDINONE