2-(1-(5,8-Dihydro-8-oxo-1,3-dioxalo(4,5-g)quinolin-7-yl)ethylidene)hydrazinecarbothioamide 53776-44-6 Hydrazinecarbothioamide, 2-(1-(5,8-dihydro-8-oxo-1,3-dioxalo(4,5-g)quinolin-7-yl)ethylidene)-