| abstract |
Formula (I)n n n n n n n n In the formula, R1 represents a hydrogen atom or a linear or branched C1-3 alkyl group, R2 represents a hydrogen atom or an isopropyl group, and Ar represents an unsubstituted heteroaromatic group having 2 heteroatoms. Provided is a compound or a pharmacologically acceptable salt thereof as an active ingredient, and a therapeutic or prophylactic agent for oral administration of urinary incontinence or urinary incontinence having excellent oral absorptivity or a sleeping agent for oral administration. |