(3S)-3-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-amino-4-methylsulfanyl-butanoyl] amino]acetyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-4-methylsulfanyl -butanoyl]amino]-3-[[(1S)-1-carbamoyl-2-phenyl-ethyl]carbamoyl]propano ic acid [ 21163-42-8 ]