InChI=1/C21H17NOS2/c23-25(17-11-5-2-6-12-17)15-20-21(24-16-9-3-1-4-10-16)18-13-7-8-14-19(18)22-20/h1-14,22H,15H2/t25-/m1/s1 9DD1FDFB5EA7DFF8