英文别名Propoxyphenyl Thioaildenafil; 7H-Pyrazolo[4,3-d]pyrimidine-7-thione, 5-[5-[[(3R,5S)-3,5-dimethyl-1-piperazinyl]sulfonyl]-2-propoxyphenyl]-1,6-dihydro-1-methyl-3-propyl-, rel; 5-[5-[(3R,5S)-3,5-dimethylpiperazin-1-yl]sulfonyl-2-propoxyphenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidine-7-thione; Thiodenafil Impurity; rel-5-[5-[[(3R,5S)-3,5-Dimethyl-1-piperazinyl]sulfonyl]-2-propoxyphenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidine-7-thione; Tadalafil Impurity 174 
