InChI=1/C16H17N3O/c1-12-9-14-5-3-4-6-15(14)19(12)16(20)8-7-13-10-17-18(2)11-13/h3-8,10-12H,9H2,1-2H3/b8-7+/t12-/m0/s1 C5A0E610DC7E354D