| abstract |
PROBLEM TO BE SOLVED: To provide a compound used for the treatment of pulmonary hypertension (PH) or pulmonary arterial hypertension (PAH). The following compounds, or enantiomers thereof, diastereomers, or pharmaceutically acceptable salts thereof. In the formula, R 20 to R 36 are independently H or deuterium, and Z represents an alkoxycarbonylalkoxy group, an alkoxycarbonylalkylamino group, or the like. [Selection diagram] None |