Vinpocetine Related Compound A (30 mg) (ethyl (12S,13aS,13bS)-13a-ethyl-12-hydroxy-2,3,5,6,12,13,13a,13b-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]-naphthyridine-12-carboxylate)

Vinpocetine Related Compound B (30 mg) (Methyl(13aS,13bS)-13a-ethyl-2,3,5,6,13a,13b-hexahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]-naphthyridine-12-carboxylate)

Vinpocetine Related Compound C (30 mg) (ethyl (13aS,13bS)-13a-ethyl-10-methoxy-2,3,5,6,13a,13b-hexahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate)

Vinpocetine Related Compound D (30 mg) (ethyl(12R,13aS,13bS)-13a-ethyl-2,3,5,6,12,13,13a,13b-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate)

Vitamin D Assay System Suitability (1.5 g)

Vitexin (25 mg) ((1S)-1,5-Anhydro-1-[5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-4H-chromen-8-yl]-D-glucitol)

Voriconazole (100 mg)

Voriconazole Related Compound A (10 mg) ((2RS, 3RS)-2-(2,4-Difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol)

Voriconazole Related Compound B (10 mg) ((2S, 3R)-2-(2,4-Difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol)

Voriconazole Related Compound C (10 mg) (1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone)