InChI=1/C18H25N3/c1-2-11-20-15-6-8-16(9-7-15)21-18-5-3-4-14-13-19-12-10-17(14)18/h3-5,10,12-13,15-16,20-21H,2,6-9,11H2,1H3/p+2/fC18H27N3/h19-20H/q+2 3747FFBE1F489E9E