SE107942C1SE437440ASE437440ASE107942C1SE 107942 C1SE107942 C1SE 107942C1SE 437440 ASE437440 ASE 437440ASE 437440 ASE437440 ASE 437440ASE 107942 C1SE107942 C1SE 107942C1
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SE437440A
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Priority to SE437440ApriorityCriticalpatent/SE107942C1/xx
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C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms