InChI=1/C12H16N4O4S/c17-16(18)12-4-3-11(7-13-12)21(19,20)15-10-5-8-1-2-9(6-10)14-8/h3-4,7-10,14-15H,1-2,5-6H2/p+1/t8-,9+,10?/fC12H17N4O4S/h14H/q+1 72F682030DF8E000