InChI=1/C17H17N3/c1-12(13-5-3-2-4-6-13)19-17-10-7-14-11-15(18)8-9-16(14)20-17/h2-12H,18H2,1H3,(H,19,20)/t12-/m1/s1/f/h19H 37EDDD775A359B21