DIFF Subgroup
C07C 13/275 the twelve-membered ring being unsaturated
Introduced: January 1980
Full Title
Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings > Monocyclic hydrocarbons or acyclic hydrocarbon derivatives thereof > with a twelve-membered ring > the twelve-membered ring being unsaturated
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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