(S,S)-3-Amino-N-(1-biphenyl-4-ylmethyl-5-naphthalen-2-ylmethyl-3,6-dioxo-piperazin-2-ylmethyl)-3-methyl-N-piperidin-4-ylmethyl-butyramide 、
4-吡啶甲醛 、
Boc-beta-丙氨酸 生成
(S,S)-3-amino-N-(1-biphenyl-4-ylmethyl-5-naphthalen-2-ylmethyl-3,6-dioxo-piperazin-2-ylmethyl)-N-pyridin-4-ylmethyl-propionamide