Name azane that contain the word "hydrazine" in its name ?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q4832226 . ?sbj wdt:P4952 wd:Q51139288 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'hydrazine')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
azane: Q4832226 nfpa 704: standard system for the identification of the hazards of materials for emergency response: Q51139288