INDOLE DERIVATIVES AND MEDICINAL COMPOSITIONS CONTAINING THE SAME

摘要

Indole derivatives represented by general formula (I) or pharmacologically acceptable salts thereof which have a remarkable and long-lasting effect of lowering ocular tension and thus are useful as drugs for lowering ocular tension. In said formula, R represents ethyl or 2,2,2-trifluoroethyl; Y represents hydroxy or pivaloyloxy; and the carbon atom marked with (R) means one having the R-configuration.