Synonyms: Hydrazine,(tetrahydro-1,1-dioxido-3-thienyl)-, monohydrochloride (9CI); Hydrazine,(tetrahydro-3-thienyl)-, S,S-dioxide, hydrochloride (7CI); Hydrazine,(tetrahydro-3-thienyl)-, S,S-dioxide, monohydrochloride (8CI);3-Sulfolanylhydrazine hydrochloride