CAS No:132356-80-0||Chemical Formula:C22H23ClN2O8||Molecular Weight:478.88200||Exact Mass:478.11429||(4R,4aS,6S,8aS)-6-((R)-7-chloro-4-hydroxy-1-methyl-3-oxo-1,3-dihydroisobenzofuran-1-yl)-4-(dimethylamino)-3,8a-dihydroxy-1,8-dioxo-1,4,4a,5,6,7,8,8a-octahydronaphthalene-2-carboxamide