InChI=1/C19H28N2/c1-19(2,3)17-11-10-16(13-20)18(12-17)21(4)14-15-8-6-5-7-9-15/h5-9,16-18H,10-12,14H2,1-4H3/p+1/t16-,17+,18+/m0/s1/fC19H29N2/h21H/q+1 4D8F975272583284