InChI=1S/C9H14N2O4S3/c1-5-3-7(11-2)6-4-8(18(10,14)15)16-9(6)17(5,12)13/h4-5,7,11H,3H2,1-2H3,(H2,10,14,15)/t5-,7-/m0/s1