英文同义词: | N-DESMETHYL SILDENAFIL-D8;Sildenafil N-desmethyl-d8;Sildenafil EP Impurity F-d8;5-[2-ethoxy-5-(2,2,3,3,5,5,6,6-octadeuteriopiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one;[2H8]-N-Desmethylsildenafil;[2H8]-Sildenafil N-desmethyl;Sildenafil EP Impurity F-d8 (N-DesmethylSildenafil-d8);N-Desmethylsildenafil dihydrochloride salt |