InChI=1/C14H18N4O2S/c15-9-4-10-18(12-5-2-1-3-6-12)14-8-7-13(11-17-14)21(16,19)20/h1-3,5-8,11H,4,9-10,15H2,(H2,16,19,20)/p+1/fC14H19N4O2S/h15H,16H2/q+1 40FC8D2C449015E3