InChI=1/C14H19ClN2O3S/c1-3-20-14(19)11(16)7-21-8-13(18)17-12-6-4-5-10(15)9(12)2/h4-6,11H,3,7-8,16H2,1-2H3,(H,17,18)/t11-/m1/s1/f/h17H 993A8AB5AF4756CE