Standards; Isotopic Labeled Analogues; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
1-(Methyl-d3)-4-nitro-3-(2,2,3,3,3-D5-propyl)-1H-pyrazole-5-carboxylic Acid is a labelled intermediate of Sildenafil (S435000), an orally active selective type 5 cGMP phosphodiesterase inhibitor.