英文名称
2-Hydroxy-5-[(4-methyl-1-piperazinyl)sulfonyl]benzoic Acid
Standards; Pharmaceutical/API Drug Impurities/Metabolites;
2-Hydroxy-5-[(4-methyl-1-piperazinyl)sulfonyl]benzoic Acid, is an impurity of Sildenafil Citrate (S435000), an orally active selective type 5 cGMP phosphodiesterase inhibitor.