InChI=1/C18H26N2/c1-3-11-20(12-4-2)15-7-5-14-6-8-18-16(9-10-19-18)17(14)13-15/h6,8-10,15,19H,3-5,7,11-13H2,1-2H3/p+1/t15-/m1/s1/fC18H27N2/h20H/q+1 DE7928EFB631EDB0