Apixaban Impurity H Catalogue A186738 CAS 2029205-64-7 M.W 463.92 M.F C24H22ClN5O3 Specifications FAQs 1-(4-chlorophenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide