InChI=1/C18H21N3/c1-2-13-21-17-6-4-3-5-16(17)20-18(21)15-9-7-14(8-10-15)11-12-19/h3-10H,2,11-13,19H2,1H3/p+1/fC18H22N3/h19H/q+1 D982CAD0802EE6B7