InChI=1/C25H26N2O2/c1-16-4-6-21(12-17(16)2)25(20-8-10-26-11-9-20)27-24(28)15-19-5-7-23-22(14-19)13-18(3)29-23/h4-12,14,18,25H,13,15H2,1-3H3,(H,27,28)/t18-,25+/m0/s1/f/h27H 3CF44D01C20A7DDA