USP Ramipril RS
—Do not dry.Keep container tightly closed.Protect from light.Store in a refrigerator.

USP Ramipril Related Compound A RS
[(2S,3aS,6aS)-1-[(S)2-[[(S)1-(methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-octahydrocyclopenta[b]pyrrole-2-carboxylic acid] (C22H30N2O5 402.48) —Do not dry.Keep container tightly closed.Protect from light.Store in a refrigerator.

USP Ramipril Related Compound B RS
[(2S,3aS,6aS)-1-[(S)2-[[(S)1-(methylethoxy)carbonyl-3-phenylpropyl]amino]-1-oxopropyl]-octahydrocyclopenta[b]pyrrole-2-carboxylic acid] (C24H34N2O5 430.54) —Do not dry.Keep container tightly closed.

USP Ramipril Related Compound C RS
[(2S,3aS,6aS)-1-[(S)2-[[(S)1-ethoxycarbonyl-3-cyclohexyl propyl]amino]-1-oxopropyl]-octahydrocyclopenta[b]pyrrole-2-carboxylic acid] (C23H38N2O5 422.56) —Do not dry.Keep container tightly closed.

USP Ramipril Related Compound D RS
[ethyl (2S)2-[(3S,5aS,8aS,9aS)-3-methyl-1,4-dioxodecahydro-1H-cyclopenta[e]pyrrolo[1,2-a]pyrazin-2-yl]-4-phenyl-butanoate] (C23H30N2O4 398.50) —Do not dry.Keep container tightly closed.

USP Ranitidine Hydrochloride RS
Dry portion in vacuum at 60for 3hours before using.Keep container tightly closed and protected from light.

USP Ranitidine Related Compound A RS
[5-[[(2-aminoethyl)thio]methyl]-N,N-dimethyl-2-furanmethanamine,hemifumarate salt] —Keep container tightly closed and protected from light.Do not dry before using.

USP Ranitidine Related Compound B RS
[N,N¢-bis[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl]-2-nitro-1,1-ethenediamine] —Keep container tightly closed and protected from light.Do not dry before using.

USP Ranitidine Related Compound C RS
[N-[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]sulfinyl]ethyl]-N-methyl-2-nitro-1,1-ethenediamine] —Do not dry before using.Keep container tightly closed and protected from light.Store in a cool place.

USP Rauwolfia Serpentina RS
Do not dry before using.Keep container tightly closed,and store at a controlled room temperature in a dry place.

USP Repaglinide RS
Do not dry.

USP Repaglinide Related Compound A RS
[(S)-3-methyl-1-[2-(1-piperidinyl)phenyl]butylamine,N-acetyl-L-glutamate salt] (C16H26N2·C7H11NO5 435.6) —Do not dry.

USP Repaglinide Related Compound B RS
[3-ethoxy-4-ethoxycarbonylphenylacetic acid] (C13H16O5 252.27) —Do not dry.

USP Repaglinide Related Compound C RS
[(S)-2-ethoxy-4-[2-[[2-phenyl-1-[2-(1-piperidinyl)phenyl]ethyl]amino]-2-oxoethyl]benzoic acid] (C30H34N2O4 486.61) —Do not dry.

USP Reserpine RS
Dry portion at 60for 3hours before using.Keep container tightly closed.Protect from light.

USP Resorcinol RS
Dry portion over silica gel for 4hours before using.Keep container tightly closed.Protect from light.Avoid contact with metals.

USP Ribavirin RS—
Do not dry.Keep container tightly closed.

USP Riboflavin RS
Dry portion at 105for 2hours before using.Keep container tightly closed.Protect from light.

USP Rifabutin RS
Do not dry before using.Keep container tightly closed.Store in a freezer.

USP Rifampin RS
Do not dry;determine the loss on drying of a separate portion at the time of use.Avoid exposure oxygen.Keep container tightly closed.Protect from light.Store in a cold place.

USP Rifampin Quinone RS
Do not dry before using.Keep container tightly closed.Protect from light.Store in a cold,dry place.

USP Rimexolone RS
Dry portion in vacuum at 105for 3hours before using.Protect from light.Keep container tightly closed.

USP Ritodrine Hydrochloride RS
Dry portion at 105for 1hour before using.Keep container tightly closed.

USP Roxarsone RS
Dry at 100for 6hours before using.Keep container tightly closed.

USP Rutin RS
Do not dry before using.Keep container tightly closed.Protect from light.Store in a cold place.