InChI=1/C16H20N2O4S/c1-15(2)12-8-9-16(15,3)14(20)18(13(12)19)10-4-6-11(7-5-10)23(17,21)22/h4-7,12H,8-9H2,1-3H3,(H2,17,21,22)/t12-,16+/m1/s1/f/h17H2 2BA9EBB3EFF7990B