Novel indene derivatives represented by the general formula ##STR1## wherein R represents lower alkyl, phenylloweralkyl or lower cycloalkyl, and acid addition salts thereof useful as .beta.-receptor antagonists.
新的
茚烯衍
生物,其一般式表示为##STR1##其中R代表较低的烷基、苯基较低烷基或较低的环烷基,以及其酸盐,可用作β-受体拮抗剂。