Tell me the essential medicine for the pregnancy category of the Australian pregnancy category D that contains the word warfarin in it's name?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:/instance of/ wd:/essential medicine/ . ?sbj wdt:/pregnancy category/ wd:// . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'warfarin')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 