InChI=1/C19H22N4S/c1-24-17-6-4-16(5-7-17)23-11-9-22(10-12-23)14-15-13-21-19-18(15)3-2-8-20-19/h2-8,13H,9-12,14H2,1H3,(H,20,21)/p+1/fC19H23N4S/h21-22H/q+1 1EC4DCBDCDE3C05E