InChI=1/C19H22N4O/c1-15-6-7-18(12-20-15)23-11-10-22(19(23)24)9-8-21-13-16-4-2-3-5-17(16)14-21/h2-7,12H,8-11,13-14H2,1H3/p+1/fC19H23N4O/h21H/q+1 027B7EFDDD4A7E31