Conivaptan Impurity F Catalogue K545656 CAS N/A M.W 498.59 M.F C32H26N4O2 Specifications FAQs N-(4-(2-methyl-1,4,5,6-tetrahydrobenzo[b]imidazo[4,5-d]azepine-1-carbonyl)phenyl)-[1,1'-biphenyl]-2-carboxamide