InChI=1/C25H24N2O3/c1-17-9-8-10-18(2)24(17)30-16-20(28)15-27-25(29)22-14-7-6-13-21(22)23(26-27)19-11-4-3-5-12-19/h3-14,20,28H,15-16H2,1-2H3/t20-/m1/s1 77310730237771D2