This is the 19475th most frequent Korean word.
약물인
The Korean word "약물인" refers to "a person who uses drugs" or "drug user."
The word '약물인' here describes something as 'medication' or 'drug-related', modifying '치료제' (treatment).
그는 약물인 치료제를 사용했습니다.
He used medication treatments.
In this sentence, '약물인' qualifies '화합물' (compound), indicating the compound is related to drugs or pharmaceuticals.
이 연구는 약물인 화합물의 효과를 분석했습니다.
This study analyzed the effects of drug-related compounds.
Here, '약물인' describes '성분' (ingredients) as being drug-related or pharmaceutical in nature.