(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-{N'-[(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)sulfonyl]carbamimidamido}pentanoic acid (CAS 187618-60-6) | ChemAbout