The phrase "a compound in a" is grammatically correct and can be used in written English.
It can be used in scientific or technical contexts, particularly when discussing chemical compounds or mixtures.
Example: "The study focused on a compound in a solution that exhibited unique properties."
Alternatives: "a substance in a" or "a mixture in a".
The whole thing has the air of a compound in a displacement camp.
The drone was believed to have fired two missiles at a compound in a village near Wana, the regional capital.
It is a novel about living in a compound in a situation where there is a political conflict outside.
US special forces in Afghanistan stormed a compound in a pre-dawn raid yesterday, where 36-year-old Linda Norgrove was being held in the village of Dineshgal, Kunar province, in the east of the country.
A Pakistani intelligence official said he believed that Mr. Mehsud was "definitely targeted" in the attack, which struck a compound in a remote region near the border of the tribal regions of North and South Waziristan about 7 a.m.
We took a circuitous route away from the factory, which was now cordoned off by soldiers, and drove to Yama's house, a compound in a pleasant working-class suburb of the city, with a well, a cookhouse, a mud-walled toilet, and a cow tethered in the yard.
After a home-invasion by masked gunmen, Wald has moved to a compound in an exclusive neighbourhood with a high wall and "barbed wire shaped and painted to mimic trained ivy".
The partition coefficient P of a compound in an n-octanol/water system represents the hydrophobic properties of this compound and can be determined experimentally or calculated.
Two missiles fired from remotely piloted American aircraft killed 12 people in an attack on a compound in North Waziristan, according to a local journalist and television reports.
The first strike hit a compound in Ladha, a village in the mountains of western Pakistan that is Mr. Mehsud's sanctuary.
US special forces approached a compound in Barawe and were engaged in a gun battle before pulling out.
