A quinoline derivative of the formula (I): ##STR1## wherein each phenyl ring of A, B and C can have one or more substituents, X is ##STR2## (R.sup.1 is a hydrogen atom or a lower alkyl group) or ##STR3## (R.sup.2 is a lower alkyl group or a lower alkoxy group), and n is 0 or 1, or its salt, which possesses an inhibitory action against acyl-CoA: cholesterol acyltransferase.
式(I)的
喹啉衍
生物:##STR1##其中A、B和C的每个苯环可以有一个或多个取代基,X是##STR2##(R1是一个氢原子或低级烷基组)或##STR3##(R2是一个低级烷基组或低级烷氧基组),n是0或1,或其盐,具有抑制酰基
辅酶A:
胆固醇酰基转移酶的作用。