InChI=1/C19H20N2O3/c1-3-14-8-10-15(11-9-14)20-19(23)18-12-21(13(2)22)16-6-4-5-7-17(16)24-18/h4-11,18H,3,12H2,1-2H3,(H,20,23)/t18-/m0/s1/f/h20H	28B81A8487CDA283