873889-23-7 11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56-Hexadecaoxa-2,3,8-triazaheptapentacontanoic acid, 5-(2-naphthalenylamino)-4-oxo-,1,1-dimethylethyl ester 57448-84-7 (10S,13S,16S)-16-[(2-{[(2S)-2-aminopropanoyl]amino}phenyl)carbonyl]-10-(1H-indol-3-ylmethyl)-2,2-dimethyl-13-[2-(methylsulfanyl)ethyl]-4,8,11,14-tetraoxo-3-oxa-5,9,12,15-tetraazaoctadecan-18-oic acid - (2R,3S,4R,5R)-1-(methylamino)hexane-1,2,3,4,5,6-hexol