N-tert-butoxy-carbonyl-2(R,S)-methyl-4(S)-hydroxy-5(S)-amino-7(S)-isopropyl-8-[3-(methyl-sulfonyl-methoxy)-4-tert-butyl-phenyl]-octanoic acid (N-butyl)amide                                                                                                                                                                                                                                                                                                          生成                                                 
2(R,S)-methyl-4(S)-hydroxy-5(S)-amino-7(S)-isopropyl-8-[3-(methyl-sulfonyl-methoxy)-4-tert-butyl-phenyl]-octanoic acid (N-butyl) amide hydrochloride