InChI=1/C18H23N3O2/c1-3-23-18(22)13-10-14-16(19)12-8-6-4-5-7-9-15(12)21-17(14)20-11(13)2/h10H,3-9H2,1-2H3,(H2,19,20,21)/f/h19H2 C426806AD7B48AC0