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Class Information
Number: 549/484
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) > Oxygen containing hetero ring (e.g., dioxirane, etc.) > The hetero ring is five-membered > Having -c(=x)-, wherein x is chalcogen, bonded directly to the hetero ring > The -c(=x)- is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens
Description: Compounds in which the -- is part of a --X- group, wherein the X"s are the same or diverse chalcogens.
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