Apixaban Impurity D Catalogue A186734 CAS 1074365-84-6 M.W 474.51 M.F C26H26N4O5 Specifications FAQs methyl 1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate