Novel quinone derivatives of Formula ##SPC1## (wherein each R represents a lower alkyl group or a lower alkoxy group, or alternatively the R's, taken together, form -CH=CH-CH=CH-, and Z represnts hydrogen or a lower alkyl group) and pharmaceutically acceptable salts thereof exhibit excellent pharmacological activities such as vitamin-like activity, especially vitamin E-like activity, and immunosuppressive activity.
式子##
SPC1##中的新奎醌衍
生物(其中每个R代表低烷基或低烷氧基,或者R取在一起形成-CH=CH-CH=CH-,而Z代表氢或低烷基)及其药学上可接受的盐表现出极好的药理活性,如
维生素样活性,特别是类似
维生素E的活性和免疫抑制活性。