(3R,6R,8aS)-6-[(benzylsulfonyl)amino]-N-(3-carbamimidamidopropyl)-5-oxohexahydro-5H-[1,3]thiazolo[3,2-a]pyridine-3-carboxamide
(3r,6r,8as)-6-[(benzylsulfonyl)amino]-n-(3-carbamimidamidopropyl)-5-oxohexahydro-5h-[1,3]thiazolo[3,2-a]pyridine-3-carboxamide