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Z-DL-GLA(OTBU)2-OH (S)-7-(BOC-AMINO)-3-(Z-AMINO)HEPTANOIC ACID Z-L-GLA(OTBU)2-OH Z-ASP(OTBU)-OH DCHA N-Cbz-L-Aspartic acid 4-tert-butyl ester Z-ASP-OBZL N-Carbobenzyloxy-L-aspartic acid CBZ-ASP(OBZL)-OBZL Z-L-ASPARTIC ACID 4-BENZYL 1-(4-NITROPHENYL) ESTER Z-ASP(OBZL)-OSU