InChI=1/C14H14N2O4S/c1-9-8-10-4-2-3-5-11(10)16(9)14(17)12-6-7-13(20-12)21(15,18)19/h2-7,9H,8H2,1H3,(H2,15,18,19)/t9-/m1/s1/f/h15H2 0E20432185DE9175