InChI=1/C19H17N3S/c20-18(17-11-6-12-23-17)19-21-15-9-4-5-10-16(15)22(19)13-14-7-2-1-3-8-14/h1-12,18H,13,20H2/t18-/m0/s1 6B2CECE6C484074A