(5S)-N-[trans-4-(2-amino-1H-imidazol-5-yl)cyclohexyl]-1,3-dioxo-2-[2-(phenylsulfonyl)ethyl]-2,3,5,8-tetrahydro-1H-[1,2,4]triazolo[1,2-a]pyridazine-5-carboxamide

P00734 — Prothrombin