InChI=1/C14H20N2O3S2/c1-8-12(20-13(17)15-8)21(18,19)16-14-5-9-2-10(6-14)4-11(3-9)7-14/h9-11,16H,2-7H2,1H3,(H,15,17)/f/h15H 37230550D40FAC2F