BOC-L-脯氨酸 、
N-叔丁氧羰基-N'-甲苯磺酰基-L-精氨酸 、
Boc-Tyr(2,6-di-Cl-Bzl)Ψ(COCH2)(R,S)-Phe-OH 、 alkaline earth salt of/the/ methylsulfuric acid 生成 (2S)-2-[[(2S,5S)-5-[[(2S)-1-[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]pyrrolidine-2-carbonyl]amino]-2-benzyl-6-(4-hydroxyphenyl)-4-oxohexanoyl]amino]-4-methylpentanoic acid 、 (2S)-2-[[(2R,5S)-5-[[(2S)-1-[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]pyrrolidine-2-carbonyl]amino]-2-benzyl-6-(4-hydroxyphenyl)-4-oxohexanoyl]amino]-4-methylpentanoic acid