2,2,2-trichloro-1-(3,4-dihydro-2H-pyran-5-yl)ethanone InChI=1/C7H7Cl3O2/c8-7(9,10)6(11)5-2-1-3-12-4-5/h4H,1-3H ethanone, 2,2,2-trichloro-1-(3,4-dihydro-2H-pyran-5-yl)-