What chemical compound has a significant drug interaction with astemizole starts with the letter t?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q11173 . ?sbj wdt:P769 wd:Q423437 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 't')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
chemical compound: Q11173 astemizole: Q423437