Secalciferol

Sarafloxacin HCl

Roxatidine Acetate Hydrochloride is a histamine H2-receptor antagonist used in ulcer treatment. This compound has been found to inhibit platelet function in vitro.

Rosiglitazone(BRL-49653) is a high-affinity selective agonist of the peroxisome proliferator-activated receptor-γ(PPARγ).

Rocuronium Bromide

Rizatriptan Benzoate is a selective serotonin 5-HTID receptor agonist which is structurally derived from tryptamine.

Rivastigmine hydrogen tartrate is a parasympathomimetic or cholinergic agent for the treatment of mild to moderate dementia of the Alzheimer’s type and Parkinson's disease.

Risedronic acid (Actonel)

Risedronate sodium is a pyridinyl biphosphonate which inhibits osteoclast-mediated bone resorption.

Rimantadine (Flumadine)

rifomycins

Rifapentine (Priftin)

Rheochrysidin (Physcione)

Rhein(Monorhein)

Repaglinide is a KIR6 (KATP) channel blocker that binds with high affinity for SUR1 when co-expressed with KIR6.2(Kd = 0.42 nM).

Rasagiline Mesylate is an antiparkinsonian and a selective irreversible MAO-B inhibitor.

Ramipril is an angiotensin-converting enzyme (ACE) inhibitor with IC50 of 5 nM.

RaloxifeneHcl(LY156758 Hcl) is a second generation selective estrogen receptor antagonist.

Raloxifene hydrochloride is a selective estrogen receptor modulator (SERM), binding to ERα and ERβ. Tissue-dependently blocks or activates estrogen-induced transcription. Exhibits estrogen agonist behavior in bone but acts as an anti-estrogen in breast an

Quinine HCl dihydrate

Quercetin dihydrate (Sophoretin)

Pyrimethamine is a potent inhibitor of multi-drug and toxin extrusion transporters. This compound inhibits Mdr-1(Pgp) and thus allows for active drugs to stay within the cell for longer periods of time, increasing their effectiveness by preventing efflux

Pyrazinamide (Pyrazinoic acid amide)

Pseudomonic Acid, also known as mupirocin, is an antibiotic isolated from Pseudomonas fluorescens which strongly inhibits protein and RNA synthesis. Inhibition of protein synthesis was reversed by isoleucine and Pseudomonic Acid was shown to inhibit isole

Propylthiouracil

Promestriene

Procarbazine Hcl, an antineoplastic chemotherapy drug, is an alkylating agent for the treatment of Hodgkin's lymphoma and certain brain cancers; also inhibits MAO thus increasing the effects of sympathomimetics, TCAs, and tyramine.

Probucol

Probenecid inhibits the renal excretion of organic anions and reduces tubular reabsorption of urate.

Primidone(Mysoline)