2-Methyl-5,6-dihydro-4-pyrone 22697-33-2 4H-pyran-4-one, 2,3-dihydro-6-methyl- 6-Methyl-2,3-dihydro-pyran-4-one 6-methyl-2,3-dihydro-4H-pyran-4-one InChI=1/C6H8O2/c1-5-4-6(7)2-3-8-5/h4H,2-3H2,1H