InChI=1/C20H14O4S2/c21-14(17-8-4-10-26-17)11-13(16-7-3-9-25-16)18-19(22)12-5-1-2-6-15(12)24-20(18)23/h1-10,13,22H,11H2/p-1/t13-/m1/s1/fC20H13O4S2/h22h/q-1	2577AD91DFC25ED0