InChI=1/C16H17N3O/c1-4-11-14-12(6-5-7-17-14)16(20)19(3)13-8-10(2)9-18-15(11)13/h5-9,11H,4H2,1-3H3/t11-/m1/s1 C8485B2B23ECCA62