C40H65N3O10
diethyl 2-((R)-4-amino-5-(benzyloxy)-5-oxopentanamido)-6-((tert-butoxycarbonyl)amino)heptanedioate
(5R)-5-benzyl 10,14-diethyl-1-(9H-fluoren-9-yl)-18,18-dimethyl-3,8,16-trioxo-2,17-dioxa-4,9,15-triazanonadecane-5,10,14-tricarboxylate
C11H22N2O4*ClH