(2S,4R)-1-((S)-3,3-dimethyl-2-(3-methyloxetane-3-carboxamido)butanoyl)-4-hydroxy-N-(4-(4-methylthiazol-5-yl)benzyl)pyrrolidine-2-carboxamide

(2S,4R)-1-((2-(2-(2-(4-((7R,8R,9S,13S,14S,17S)-3,17-dihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-7-yl)butoxy)ethoxy)ethoxy)acetyl)-L-valyl)-4-hydroxy-N-(4-(4-methylthiazol-5-yl)benzyl)pyrrolidine-2-carboxamide

(2S,4R)-4-hydroxy-1-((S)-2-((2-methoxyethyl)(methyl)amino)propanoyl)-N-(4-(4-methylthiazol-5-yl)benzyl)pyrrolidine-2-carboxamide

(S)-tert-butyl 2-((2S,4R)-4-hydroxy-2-((4-(4-methylthiazol-5-yl)benzyl)carbamoyl)pyrrolidine-1-carbonyl)piperidine-1-carboxylate

tert-butyl ((S)-1-((2S,4R)-4-hydroxy-2-((4-(4-methylthiazol-5-yl)benzyl)carbamoyl)pyrrolidin-1-yl)-1-oxobutan-2-yl)carbamate