75899-20-6
(S)-(S)-2-((tert-butoxycarbonyl)amino)-4-methylpentanoic (ethyl carbonic) anhydride
→
54518-92-2
L-亮氨酸氯甲基酮盐酸盐
102123-85-3
Boc-L-Leu-氯甲基酮