InChI=1/C19H20N2O3/c1-14-17(3-2-4-19(14)21(23)24)13-20-11-9-16(10-12-20)15-5-7-18(22)8-6-15/h2-9,22H,10-13H2,1H3 B53EF753B7B4AB41