Last few and as per usual I am stuck, so please help. 52a. 5-6 Soldier with insecticide one dispatches unexpectedly from cup.
54a.(7) Daughter with healthier, if incorrectly formed, liver.
41d. (8) Trespassed - and obstructing journalist getting to the bottom of it.
This bottom corner has me beaten just cannot get one clue.
Many thanks.