| 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, R20 to R36 are independently H or deuterium, and Z represents an alkoxycarbonylalkoxy group, an alkoxycarbonylalkylamino group, or the like. [Selection diagram] None |