InChI=1/C14H14N2O3S/c1-20(19)11-6-4-10(5-7-11)16-14(18)12(8-15)13(17)9-2-3-9/h4-7,9,16,18H,2-3H2,1H3/p-1/b14-12-/t20-/m0/s1/fC14H13N2O3S/h18h/q-1 0FA2C072A338DC33