InChI=1/C18H27N3/c1-5-15(4)21-9-8-18(20-21)12-17(19)11-16-7-6-13(2)14(3)10-16/h6-10,15,17H,5,11-12,19H2,1-4H3/p+1/t15-,17+/m0/s1/fC18H28N3/h19H/q+1 52755EABC72FD804