InChI=1/C19H20N4S/c1-2-6-16(7-3-1)17-13-21-19(24-17)22-18-12-15(8-9-20-18)14-23-10-4-5-11-23/h1-3,6-9,12-13H,4-5,10-11,14H2,(H,20,21,22)/p+1/fC19H21N4S/h22-23H/q+1 DE87F80DAE3640BC