InChI=1/C15H18N4O2S/c1-10(14-3-2-8-21-14)16-15(20)17-12-6-4-11(5-7-12)13-9-22-19-18-13/h4-7,9-10,14H,2-3,8H2,1H3,(H2,16,17,20)/t10-,14+/m1/s1/f/h16-17H 3645B07BB2806B92