Zopiclone R-Isomer CIV (10 mg) ((-)-(5R)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate)
Chất chuẩn đối chiếu
Trazodone Related Compound F (25 mg) (1-(3-chlorophenyl)-4-(3-chloropropyl)piperazine hydrochloride)
Chất chuẩn đối chiếu
Terazosin Related Compound B (50 mg) (1-(4-hydroxy-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]piperazine)
Chất chuẩn đối chiếu
Terazosin Related Compound C (25 mg) (1,4-Bis(4-amino-6,7-dimethoxy-2-quinazolinyl)piperazine, dihydrochloride)
Chất chuẩn đối chiếu
Sildenafil Related Compound A (10 mg) (1-{[3-(6,7-Dihydro-1-methyl-7-oxo-3-isobutyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl}-4-methylpiperazine)
Chất chuẩn đối chiếu
Ranolazine Related Compound D (50 mg) (2,2′-(Piperazine-1,4-diyl)bis[N-(2,6-dimethylphenyl)acetamide])
Chất chuẩn đối chiếu
Ramipril Related Compound D (20 mg) (Ramipril Diketopiperazine)
Chất chuẩn đối chiếu
Quetiapine Related Compound H (15 mg) (4-(Dibenzo[b,f][1,4]thiazepin-11-yl)-1-[2-(2-hydroxyethoxy)ethyl]piperazine 1-oxide)
Chất chuẩn đối chiếu
Piperazine Dihydrochloride (200 mg)
Chất chuẩn đối chiếu
Piperazine Phosphate (200 mg)
Chất chuẩn đối chiếu
