InChI=1/C14H18N4O3S/c1-12-3-5-13(6-4-12)22(20,21)17-14(19)16-7-2-9-18-10-8-15-11-18/h3-6,8,10-11H,2,7,9H2,1H3,(H2,16,17,19)/f/h15-16H 3D7C1D32AD200140