InChI=1S/C9H18N2O4S/c1-5(12)7(10)8(13)11-6(9(14)15)3-4-16-2/h5-7,12H,3-4,10H2,1-2H3,(H,11,13)(H,14,15)/t5-,6+,7+/m1/s1