InChI=1/C15H17N3O3S/c1-2-8-7-10(18-21-8)14(20)17-15-12(13(16)19)9-5-3-4-6-11(9)22-15/h7H,2-6H2,1H3,(H2,16,19)(H,17,20)/f/h17H,16H2 7B216D7A9AE4A5E7