Chemical Formula: C74H106N20O13S

2-[({1-[6-amino-2-({[1-(2-amino-5-carbamimidamidopentanoyl)pyrrolidin-2-yl](hydroxy)methylidene}amino)hexanoyl]pyrrolidin-2-yl}(hydroxy)methylidene)amino]-N-[3-(C-hydroxycarbonimidoyl)-1-[(1-{[1-({1-[(1-{[1-(C-hydroxycarbonimidoyl)-3-(methylsulphanyl)propyl]-C-hydroxycarbonimidoyl}-3-methylbutyl)-C-hydroxycarbonimidoyl]-2-(1H-indol-3-yl)ethyl}-C-hydroxycarbonimidoyl)-2-phenylethyl]-C-hydroxycarbonimidoyl}-2-(1H-indol-3-yl)ethyl)-C-hydroxycarbonimidoyl]propyl]pentanediimidic acid

(D-Pro2,D-Trp7·9)-Substance P acetate salt