Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07D
HETEROCYCLIC COMPOUNDS
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263/00
Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
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C07D263/02
not condensed with other rings
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C07D263/30
having two or three double bonds between ring members or between ring members and non-ring members
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C07D263/32
with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
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