InChI=1/C25H26N2O/c1-4-21-20-13-17(2)15-25(21,22-10-11-24(28)27-23(22)14-20)26-16-18(3)12-19-8-6-5-7-9-19/h4-13,16,20H,14-15H2,1-3H3,(H,27,28)/b18-12+,21-4+,26-16?/t20-,25+/m0/s1/f/h27H 24BB7329EF401D68