InChI=1/C14H16N2O4S/c15-8-10-9-2-1-3-11(9)21-14(10)16(6-4-12(17)18)7-5-13(19)20/h1-7H2,(H,17,18)(H,19,20)/p-2/fC14H14N2O4S/q-2 23785105861EFA3C