(S)-2-(2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-butoxy)-N-(2,4-dimethoxybenzyl)-4-oxobutanamido)acetic acid

(S)-2-(2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-butoxy)-N-(2,4-dimethoxybenzyl)-4-oxobutanamido)acetic acid