SEARCH Articles Figures Tables 2-Methoxy-4-methyl-3,4-dihydro-H-pyran 2.4.6- Trifluoromethyl-2-methyl-27/-pyran 277-Pyran, tetrahydro-3-chloro-2-methyl 2H-PYRAN, 3,4-dihydro-2-methoxy4- methyl 3-Hydroxy-2-methyl-4H-pyran-4-one Dihydro-2-methoxy-4-methyl-2H-pyran Methyl 2//-pyran-5-carboxylate Methyl-4//-pyran-2,6-dicarboxylate Pyran-2-ones, methylation Pyran-4-one, 3-hydroxy-2-methyl