InChI=1/C19H19NO4/c1-12-4-9-15-16(10-12)24-19(2,3)18(23)20(15)11-13-5-7-14(8-6-13)17(21)22/h4-10H,11H2,1-3H3,(H,21,22)/p-1/fC19H18NO4/q-1 9298C6913CDC5C29