InChI=1/C18H14N4OS/c23-17-14(6-5-12-3-2-8-20-16(12)17)15(13-4-1-7-19-11-13)22-18-21-9-10-24-18/h1-11,15,23H,(H,21,22)/t15-/m0/s1/f/h22H 5E1476DDCBFE21B2