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PCE
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CPC Subgroup
C07H 17/08

Hetero rings containing eight or more ring members, e.g. erythromycins

Full Title

Compounds containing heterocyclic radicals directly attached to hetero atoms of saccharide radicals > Heterocyclic radicals containing only oxygen as ring hetero atoms > Hetero rings containing eight or more ring members, e.g. erythromycins