A1BThe present invention provides: a novel disubstituted 1 2 4 triazine compound that has an aldosterone synthase inhibitory activity and is useful in the prevention and/or treatment of various diseases or symptoms involving aldosterone or a pharmaceutically acceptable salt of said compound a method for producing same a use for same and a pharmaceutical composition etc. formed using the compound or pharmaceutically acceptable salt thereof as an active ingredient. Provided is a compound represented by general formula [I]: [In the formula R is a group etc. represented by formula (A 1) (in the formula ring A is an optionally substituted cycloalkyl group etc.) and R is a monocyclic cycloalkyl group etc.] or a pharmaceutically acceptable salt of said compound.
