Ethyl (S)-11-((tert-butoxycarbonyl)amino)-6-imino-2,2-dimethyl-4-oxo-3,8-dioxa-5,7-diazadodecan-12-oate 250mg

Ethyl (S)-11-((tert-butoxycarbonyl)amino)-6-imino-2,2-dimethyl-4-oxo-3,8-dioxa-5,7-diazadodecan-12-oate 250mg