InChI=1/C18H26N2O/c1-13-9-14(2)17-15(20-7-3-4-8-20)11-18(5-6-19-12-18)21-16(17)10-13/h9-10,15,19H,3-8,11-12H2,1-2H3/p+2/t15-,18+/m0/s1/fC18H28N2O/h19-20H/q+2 59A0B7A8DE1E80A6