InChI=1/C18H23N5O/c1-3-6-13-7-4-5-8-14(13)9-15(12(2)24)23-11-22-16-17(19)20-10-21-18(16)23/h4-5,7-8,10-12,15,24H,3,6,9H2,1-2H3,(H2,19,20,21)/t12-,15+/m0/s1/f/h19H2 0291093D997E54D8