InChI=1/C16H18N2O4S2/c1-17-23(19,20)15-6-3-7-16(11-15)24(21,22)18-14-9-8-12-4-2-5-13(12)10-14/h3,6-11,17-18H,2,4-5H2,1H3 2399E2266E71A0BD