SEARCH Articles Figures Tables 2,6-Dimethyl 3,5-diphenyl-4H pyran 2-Amino-4H-pyrans 2-Ethyl-3-hydroxy-4H-pyran-4-one 2-amino-3-cyano-4H-pyrans 2-amino-4H-pyran-annulated heterocycles 2.3- Dihydro-4H-pyran-4-ones 2.3- Dihydro-4H-pyrane-4-ones 2.3- dihydro-4H-pyran 2.6- Dimethyl-4H-pyran-4-one 3-Hydroxy-2-methyl-4H-pyran-4-one 4- 4H-pyrane 4H-Pyrans Tetrahydro-4H-pyran-4-ones