tert-butyl (3S,2'S)-3-(2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-methylbutanoyloxy)-pent-4-enoate

(12Z,22Z,24R,5S,8S)-5-isopropyl-24-methyl-8-vinyl-24,25-dihydro-7-oxa-4,11-diaza-1(4,2),2(2,4)-dithiazolacyclododecaphane-3,6,10-trione

(S)-tert-butyl 3-((S)-2-((R)-2-(2-((tert-butoxycarbonylamino)methyl)thiazol-4-yl)-4-methyl-4,5-dihydrothiazole-4-carboxamido)-3-methylbutanoyloxy)pent-4-enoate