Heterocyclic compounds with oxygen hetero-atom{s} only (excl. compounds containing unfused furan ring, whether or not hydrogenated, in the structure, and lactones, isosafrole, 1-{1,3-benzodioxol-5-yl}propan-2-one, piperonal, safrole, tetrahydrocannabinols "all isomers", and inorganic or organic compounds of mercury)(2022-2500);Heterocyclic compounds with oxygen hetero-atom{s} only (excl. compounds containing unfused furan ring, whether or not hydrogenated, in the structure, and lactones, isosafrole, 1-{1,3-benzodioxol-5-yl}propan-2-one, piperonal, safrole, tetrahydrocannabinols "all isomers", and inorganic or organic compounds of mercury)(2009-2021)

Uz to regula neattiecas. Šim indeksētajam KN kodam netika atrasta atbilstība I pielikuma darbības jomai.