InChI=1/C18H24N2O/c1-12-8-13(10-18(2,3)9-12)21-17-5-4-16(19)15-11-20-7-6-14(15)17/h4-7,11-13H,8-10,19H2,1-3H3/t12-,13-/m1/s1 293B6B2A31619251