187826-35-3

(2S)-2-[[(4R,7S,10S,13S,16S,19S,22S,25R)-7,10-bis(4-aminobutyl)-13-(3-amino-3-oxo-propyl)-25-[[(2S)-2-amino-3-phenyl-propanoyl]amino]-22-(1-hydroxyethyl)-16-(hydroxymethyl)-19-methyl-6,9,12,15,18,21,24-heptaoxo-1,2-dithia-5,8,11,14,17,20,23-heptazacyclohe