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Salicylic Acid Related Compound B (4-hydroxyisophthalic acid)
USP
Salicylic Acid Related Compound A (4-hydroxybenzoic acid)
USP
Rivastigmine Related Compound B ((R,S)-3-[1-(Dimethylamino)ethyl]phenyl dimethylcarbamate)
USP
Rivastigmine Tartrate R-Isomer ((R)-3-[1-(Dimethylamino)ethyl]phenyl ethylmethylcarbamate, hydrogen tartrate)
USP
Ritonavir
USP
Risperidone System Suitability Mixture
USP
Ribavirin Related Compound D (1H-1,2,4-triazole-3-carboxamide)
USP
Ribavirin
USP
Ramipril Related Compound D (Ramipril Diketopiperazine)
USP
Quinidine Sulfate
USP
Propyl Gallate
USP
Propofol Related Compound C (2,6-diisopropylphenyl isopropylether)
USP