InChI=1/C15H23N3O/c1-3-15(2)6-8-18(9-7-15)13-5-4-11(14(17)19)10-12(13)16/h4-5,10H,3,6-9,16H2,1-2H3,(H2,17,19)/f/h17H2 88403D4FC1068977