7'-methyl-2'-(methylthio)-1',4',6',7'-tetrahydro-8'H-spiro[cyclopentane-1,5'-[1,2,4]triazolo[1,5-d][1,2,4,6]tetrazepine]-8'-thione InChI=1/C10H17N6S2/c1-15-9(17)16-7(11-8(13-16)18-2)12-10(14-15)5-3-4-6-10/h13-14H,3-6H2,1-2H3,(H,11,12 spiro[cyclopentane-1,5'(1'H)-[1,2,4]triazolo[1,5-d][1,2,4,6]tetrazepine]-8'(6'H,7'H)-thione, 1',4'-dihydro-7'-methyl-2'-(methylthio)-