InChI=1/C18H21NO5S2/c20-16(4-2-1-3-13-7-8-25-26-13)19-12-6-5-11-9-15(17(21)22)24-18(23)14(11)10-12/h5-6,10,13,15H,1-4,7-9H2,(H,19,20)(H,21,22)/p-1/t13-,15-/m1/s1/fC18H20NO5S2/h19H/q-1 748391CC277C4D86