InChI=1/C18H28N2O/c1-3-6-15-9-11-16(12-10-15)19-13-18(21)20-17-8-5-4-7-14(17)2/h4-5,7-8,15-16,19H,3,6,9-13H2,1-2H3,(H,20,21)/p+1/fC18H29N2O/h19-20H/q+1 7C3AE6683FD5FE23