InChI=1/C24H26N2O2/c1-18-9-6-7-12-21(18)24(28)22-13-8-16-26(22)17-23(27)25-19(2)14-15-20-10-4-3-5-11-20/h3-13,16,19H,14-15,17H2,1-2H3,(H,25,27)/t19-/m0/s1/f/h25H 6DB58C66F82FB27F