rel-(6aR,12aR)-3-Methoxy-6H-[1,3]dioxolo[5,6]benzofuro[3,2-c][1]benzopyran-6a(12aH)-ol

Ruthenium chloride (RuCl6), (OC-6-11)-

ruthenium-103

radon-226

rel-(3R,5S)-1,3,5-Trimethylpiperidine

Ramosetron

Reactive Red 177

ribo-Hexitol, 2,5-anhydro-1,3,6-trideoxy-1-(trimethylammonio)-, iodide

rel-2-[(3R,11bR)-3-Ethyl-1,3,4,6,7,11b-hexahydro-9,10-dimethoxy-2H-benzo[a]quinolizin-2-ylidene]propanedinitrile

Rishitin

rel-(3aR,4R,6S,7R,7aS)-3a,4,5,6,7,7a-Hexahydro-4,7-methano-1H-inden-6-amine

rel-(6R,7S)-3-[(Acetyloxy)methyl]-7-methoxy-8-oxo-7-[[2-(2-thienyl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

rel-(1R,2S)-1-Ethyl-1,2,3,4-tetrahydro-7-methoxy-2-methyl-2-phenanthrenecarboxylic acid

rel-Ethyl (1R,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate

Repin

rel-(3R,4S)-3,4-Dimethylcyclopentene

rel-(3aR,4S,7R,7aS)-Hexahydro-4,7-methanobenzotrithiole

rel-(1R,4S,4aS,5S,8R,8aR)-1,2,3,4,10,10-Hexachloro-1,4,4a,5,6,7,8,8a-octahydro-1,4:5,8-dimethanonaphthalene

rel-(6aR,10aS)-3-(1,1-Dimethylheptyl)-6,6a,7,8,10,10a-hexahydro-1-hydroxy-6,6-dimethyl-9H-dibenzo[b,d]pyran-9-one

rel-Ethyl (1R,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate

rel-(1R,2S)-2-Bromocyclohexanol

rel-(4aR,8aR)-Octahydro-2(1H)-naphthalenone

Rhodium bromide (RhBr3)

rel-(4S)-4-[(1R)-1-Hydroxyethyl]-2,5-oxazolidinedione

rel-(3aR,4S,5R,7S,7aR)-Octahydro-4,7-methano-1H-inden-5-amine

Rhenium bromide (ReBr3)

Ruthenium disulfide

Rhodium oxide (RhO2)

rel-(1R,6R)-6-Methyl-3-cyclohexene-1-carboxylic acid

Rhenium selenide (ReSe2)

Rhenium telluride (ReTe2)

Rociverine

Roxibolone

Rubidium chloride (82RbCl)

rel-(1R,4aS,8aS)-1,4,4a,5,6,7,8,8a-Octahydro-5,5,8a-trimethyl-1,2-naphthalenedicarboxaldehyde

Retelliptine

Riodipine

Rolziracetam

rel-(2R)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-yl 2-(4-chlorophenoxy)-2-methylpropanoate

Reactive Red 4

Reverset

Rodocaine

rel-(3R,3aS,4R,7S,7aR)-3a,4,7,7a-Tetrahydro-3-[[(methylamino)carbonyl]oxy]-4,7-methanoisobenzofuran-1(3H)-one

Rimazolium metilsulfate

rel-1-[(2R,6S,11S)-1,2,3,4,5,6-Hexahydro-8-hydroxy-3,6,11-trimethyl-2,6-methano-3-benzazocin-11-yl]-3-octanone

rel-(6aR,11aR)-6a,11a-Dihydro-9-methoxy-6H-benzofuro[3,2-c][1]benzopyran-3-ol

Raxofelast

Radon-222

Remifentanil hydrochloride

Ridogrel

Ranitidine bismuth citrate

Radon-220

rel-(αS)-α-[(1R)-1-Aminoethyl]-α-methylbenzenemethanol

Rodorubicina [Spanish]

Raclopride tartrate

rel-(R)-Cyano(4-fluoro-3-phenoxyphenyl)methyl (1R,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate

rel-3-[(3R,4S)-1,3-Dimethyl-4-propyl-4-piperidinyl]phenol

rel-(10R,11R)-10,11-Dihydrobenz[a]anthracene-10,11-diol

rel-(3R,4aR,13bR)-3-(1,1-Dimethylethyl)-2,3,4,4a,8,9,13b,14-octahydro-1H-benzo[6,7]cyclohepta[1,2,3-de]pyrido[2,1-a]isoquinolin-3-ol

Ripazepam

Ro 07-2750

Reactive Red 22

rel-(1R,2S,8R,9R,10R,13R,14R,16R,17R)-17-Acetyl-6-chloro-1,2,8,9,10,11,12,13,14,15,16,17,20,21-tetradecahydro-10,13-dimethyl-3H-dicyclopropa[1,2:16,17]cyclopenta[a]phenanthren-3-one

rel-(2R,6R,11R)-3-(Cyclopropylmethyl)-1,2,3,4,5,6-hexahydro-6,11-dimethyl-2,6-methano-3-benzazocine

ruthenium-106

rel-(3aR,4R,7S,7aS)-2-(2,6-Dioxo-3-piperidinyl)hexahydro-4,7-methano-1H-isoindole-1,3(2H)-dione