***杂质
Sildenafil Citrate
Sildenafil
Sildenafil Citrate
Sildenafil Amide Impurity
Sildenafil Amide Impurity Hydrochloride
Sildenafil Carboxamide Impurity
Sildenafil Chlorosulfonyl Impurity
Sildenafil Chloro Impurity
Sildenafil Aldehyde Impurity
Sildenafil Lactam Impurity
Sildenafil N-De***ethylmpurity
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