(S)-2-{[(2S,4S)-4-(6-Amino-hexanoylamino)-1-benzenesulfonyl-pyrrolidine-2-carbonyl]-amino}-4-[(S)-4-methyl-2-(methyl-{2-[4-(3-o-tolyl-ureido)-phenyl]-acetyl}-amino)-pentanoylamino]-butyric acid 、 alkaline earth salt of/the/ methylsulfuric acid 生成 2(S)-[(4(S)-(6-(methylpolyethyleneglycol(CH
2CH
2CO)amino)hexanoylamino)-1-benzenesulfonylpyrrolidine-2(S)-carbonyl)amino]-4-[4-methyl-2(S)-(methyl-{2-[4-(3-o-tolylureido)phenyl]acetyl}amino)pentanoylamino]butyric acid