InChI=1/C14H14N4O3S/c19-13(16-9-2-1-3-10(6-9)18(20)21)7-14-17-11-4-5-15-8-12(11)22-14/h1-3,6,15H,4-5,7-8H2,(H,16,19)/p+1/fC14H15N4O3S/h15-16H/q+1 7AA18D912E66D653