InChI=1/C18H19NO5/c1-4-12-9-14(5-6-15(12)20)24-16-10(2)7-13(8-11(16)3)19-17(21)18(22)23/h5-9,20H,4H2,1-3H3,(H,19,21)(H,22,23)/p-1/fC18H18NO5/h19H/q-1 DCF7277C943FED35