CPC - Compilation of Changes to the Scheme
2020-5-15 · forming the salts or complexes followed by the symbol A61K 2300/00 (i.e. as a mixture of active organic compounds). According to the last place rule, organic active compounds forming salts with heavy metals should be classified in A61K 33/24 to A61K 33/38 and not in subgroups A61K 31/28 to A61K 31/32 , A61K 31/555 or A61K 31/714 .
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