Korea Customs Service / Official 2026

2911

아세탈ㆍ헤미아세탈(그 밖의 산소관능 결합을 한 것인지에 상관없다)과 이들의 할로겐화유도체ㆍ술폰화유도체ㆍ니트로화유도체ㆍ니트로소화유도체

Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulponated, nitrated or nitrosated derivatives.