InChI=1/C17H19N3O/c1-3-7-17-8-6-14(21)10(2)15(17)11-4-5-13-16(12(11)9-17)19-20-18-13/h4-5H,3,6-9H2,1-2H3,(H,18,19,20)/t17-/m0/s1/f/h18H 8293BAF11D6AADAC