1-[2-({2-[2-(4-Carbamoyl-2-{[2-(2-hydroxy-3-methyl-pentanoylamino)-4-methyl-pentanoyl]-methyl-amino}-butyrylamino)-3-methyl-pentanoylamino]-acetyl}-methyl-amino)-3-phenyl-propionyl]-pyrrolidine-2-carboxylic acid methyl ester InChI=1/C42H67N7O10/c1-10-26(5)35(46-37(53)30(19-20-33(43)50)48(8)40(56)29(22-25(3)4)45-39(55)36(52)27(6)11-2)38(54)44-24-34(51)47(7)32(23-28-16-13-12-14-17-28)41(57)49-21-15-18-31(49)42(58)59-9/h12-14,16-17,25-27,29-32,35-36,52H,10-11,15,18-24H2,1-9H3, L-proline, N-[(2S)-2-hydroxy-3-methyl-1-oxopentyl]-L-leucyl-N~2~-methyl-L-glutaminyl-L-isoleucylglycyl-N-methyl-D-phenylalanyl-, methyl ester Tasiamide methyl N-[(2R,3R)-2-hydroxy-3-methylpentanoyl]-D-leucyl-N~2~-methyl-D-glutaminyl-D-isoleucylglycyl-N-methyl-L-phenylalanyl-rel-D-prolinate