Korea Customs Service / Official 2026

290930

방향족(芳香族)에테르와 이들의 할로겐화유도체ㆍ술폰화유도체ㆍ니트로화유도체ㆍ니트로소화유도체

Aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives