InChI=1/C20H21N3O4S2/c1-13-3-6-17(9-14(13)2)22-19-12-29(26,27)11-18(19)21-20(22)28-10-15-4-7-16(8-5-15)23(24)25/h3-9,18-19H,10-12H2,1-2H3/t18-,19-/m1/s1 659AD60D26585686