67-56-1
甲醇
+
201230-82-2
carbon monoxide
112766-18-4
(S)-4-[[(trifluoromethyl)sulfonyl]oxy]-alpha-[[(1,1-dimethylethoxy)carbonyl]amino]benzenepropanoic acid methyl ester
→
160168-19-4
methyl 4-[(2S)-3-methoxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-oxopropyl]benzoate
160063-50-3
Boc-4-carboxyl-L-phenylalanine