… Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives. …
Explanatory notes
… - Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives. (A) ACETALS AND HEMIACETALS* Acetals may be … and hemiacetals containing one or more of the oxygen functions (e.g., alcohol function) referred to in the …