InChI=1/C14H17N5O2S/c1-9-7-19(8-10(2)21-9)14(20)16-13-18-17-12(22-13)11-5-3-4-6-15-11/h3-6,9-10H,7-8H2,1-2H3,(H,16,18,20)/t9-,10+/f/h16H 3EA467509E71F89A