6,7-dimethyl-1,4-dioxaspiro[4.5]decan-8-one

2-hydroxy-3,4-dimethylthioxanthen-9-one

(8-chloro-2,2-dimethyl-4H-1,3-benzodioxin-5-yl)methanol

8-chloro-5-(chloromethyl)-2,2-dimethyl-4H-1,3-benzodioxine

2-(bromomethyl)-1-methoxy-3-methylbenzene