InChI=1/C24H26N2O/c1-18(20-12-6-3-7-13-20)26-24(27)19(2)25-23(21-14-8-4-9-15-21)22-16-10-5-11-17-22/h3-19,23,25H,1-2H3,(H,26,27)/t18-,19-/m0/s1/f/h26H 28D83BD5B5CBBF77