A compound of the formula (I): ##STR1## wherein X is --CH.sub.2 -CH.sub.2 -- or --CH.dbd.CH--, Y is ##STR2## Z is an oxygen or sulfur atom, R.sup.1 and R.sup.2 are independently a hydrogen atom, an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group and ring A is an optionally substituted 6-membered homocyclic ring, or its ester or salt which is useful as an inhibitory agent for the biosynthesis of the cholesterol.
化合物的
化学式(I):##STR1## 其中X是--CH.sub.2-CH.sub.2--或--CH.dbd.CH--,Y是##STR2## Z是氧或
硫原子,R.sup.1和R.sup.2分别是氢原子,可选地取代的碳氢基团或可选地取代的杂环基团,环A是可选地取代的6元杂环,或其酯或盐,用作
胆固醇生物合成的
抑制剂。