InChI=1/C12H14N2O3S/c15-13-9-5-1-3-7-11(9)18-12-8-4-2-6-10(12)14(16)17/h2,4,6,8-9,11H,1,3,5,7H2/t9-,11-/m0/s1 16EC30C180221490