InChI=1/C13H19ClN2O4S/c1-3-16(4-2)9-10-20-13(17)15-21(18,19)12-7-5-11(14)6-8-12/h5-8H,3-4,9-10H2,1-2H3,(H,15,17)/f/h16H 8CCCD28CB84A5AF3