InChI=1/C14H15N3O2S2/c1-8-4-5-15-11(6-8)16-14(20)17-12-10(13(18)19-3)7-9(2)21-12/h4-7H,1-3H3,(H2,15,16,17,20)/f/h16-17H 3B6D73E11E480F82