halogeen - mittemetalliline keemiline element (nt fluor, kloor, broom, jood), mille aatomid moodustavad kergesti anioone (fluoriid, kloriid, bromiid, jodiid)
In order to ensure uniform application of the combined nomenclature, it is necessary to adopt provisions concerning the classification of halogenated derivatives of adrenal cortical hormones of CN code 2937 22 00 ...