What is the Class II combustible liquid with the highest median lethal concentration whose has effect is allyl glycidyl ether exposure?
select ?ent where { ?ent wdt:P31 wd:Q21009057 . ?ent wdt:P2712 ?obj . ?ent wdt:P1542 wd:Q21167694 } ORDER BY DESC(?obj)LIMIT 5 
class ii combustible liquid: Q21009057 allyl glycidyl ether exposure: Q21167694