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Class Information
Number: 549/79
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen as the only ring hetero atoms (class 540, subclass 1) > Sulfur containing hetero ring (e.g., thiiranes, etc.) > The hetero ring is five-membered > Chalcogen attached indirectly to the hetero ring by nonionic bonding > The chalcogen, x, is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens
Description: Compounds in which the chalcogen, X, is part of a --X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).










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