5-(2,2-dimethyl-1,3-dithian-4-yl)pentanoic acid

methyl 5-[2,2-dimethyl-5-oxo-(1,3)-dithian-4-yl]pentanoate

methyl 4-(4-methoxycarbonyl-butyl)-2,2-dimethyl-5-oxo-(1,3)-dithiane-4-carboxylate

5-[5-(p-toluenesulfonyl)hydrazono-2,2-dimethyl-(1,3)-dithian-4-yl]pentanoic acid methyl ester

5-溴戊酸甲酯