InChI=1/C14H15N3O2S/c1-8(2)9-4-3-5-10(6-9)15-7-11-12(18)16-14(20)17-13(11)19/h3-8,15H,1-2H3,(H2,16,17,18,19,20)/f/h16-17H 6779D1FE008368B8