Fluorouracil impurity B - dihydropyrimidine-2,4,5(3H)-trione (isobarbituric acid or 5-hydroxyuracil)

Fluorouracil impurity C - pyrimidine-2,4(1H,3H)-dione (uracil)

Fluorouracil impurity F - 2-ethoxy-5-fluoropyrimidin-4(1H)-one (2-ethoxy-5-fluorouracil)

Fluorouracil impurity mixture

Fluoxetine hydrochloride

Fluoxetine impurity C - (RS)-methyl-[3-phenyl-3-(3-trifluoromethylphenoxy) -propyl]amine

Flupentixol dihydrochloride

Flupentixol impurity D - 2-[2-[4-[3-[(EZ)-2-(trifluoromethyl)-9H-thioxanthen-9-ylidene]propyl] piperazin-1-yl]ethoxy]ethanol

Flupentixol impurity F - 2-[4-[(EZ)-3-[(9RS)-2-(trifluoromethyl)-9H-thioxanthen-9-yl)prop-2-enyl]piperazin-1-yl]ethanol

Fluphenazine decanoate