司他生坦是选择性内皮素A（ETA）受体拮抗剂，是一种治疗肺动脉高压（PAH）的药物。
Methyl 3-(N-(4-chloro-3-methylisoxazol-5-yl)sulfamoyl)thiophene-2-carboxylate
3-(N-(4-Chloro-3-methylisoxazol-5-yl)sulfamoyl)-N-methoxy-N-methylthiophene-2-carboxamide
