... Name:Docetaxel side chainCAS Number:143527-70-2Name:3,5-Oxazolidinedicarboxylicacid, 2,2-dimethyl-4-phenyl-, 3-(1 ... 1,1-dimethylethyl) ester, (4S-trans)-;(4S,5R)-5-Carboxy-2,2-dimethyl-4-phenyl-3-(tert-butoxycarbonyl)oxazolidine ... 5R)-N-(tert-Butoxycarbonyl)-2,2-dimethyl-4-phenyl-5-oxazolidinecarboxylicacid;(4S,5R)-N-(tert-butoxycarbonyl)-2,2- ... Taxotere was 28 percent vs. the combination’s 9.5 percent.