- Rabeprazole
- Rac Pimobendan
- Racecadotril
- Racepinephrine Hydro...
- Ractopamine
- Radicinol
- Raffinose
- Rafoxanide
- Rak
- Raloxifene
- Raltegravir
- Ramelteon
- Ramifenazone
- Ramipril
- Ramiprilat
- Ramoplanin
- Ramosetron
- Ranibizumab
- Ranitidine
- Ranolazine
- Rapamycin
- Rapidosept
- Rasagiline
- Ravidasvir
- Ravuconazole
- Razupenem
- Rebamipide
- Rebaudioside
- Reboxetine
- Regadenoson
- Regorafenib
- Relebactam
- Relugolix
- Remdesivir
- Remifentanil
- Remimazolam
- Remogliflozin
- Repaglinide
- Reproterol
- Resazurin
- Reserpine
- Resiquimod
- Resmetirom
- Resorcinol
- Resorufin
- Respitose
- Resveratrol
- Retapamulin
- Retigabine
- Retinoic Acid
- Retinol
- Retinyl Palmitate
- Retrorsine
- Revefenacin
- Reversan
- Revumenib
- Rezafungin
- Rhaponiticin
- Rhapontisterone B
- Rhein
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- Rhodamine
- Rhodiocyanoside
- Rhododendrol
- Rhombifoline
- Riamilovir
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- Ribociclib
- Riboflavin
- Ribofuranose
- Ribonucleic Acid
- Ribose
- Riboside
- Ribostamycin
- Ricinoleic Acid
- Ridinilazole
- Rifabutin
- Rifampicin
- Rifamycin
- Rifapentin
- Rifapentine
- Rifaximin
- Rigosertib
- Rilmenidine
- Rilopirox
- Rilpivirine
- Riluzole
- Rimantadine
- Rimantadine Hydrochl...
- Rimegepant
- Rimeporide
- Rimonabant
- Rimsulfuron
- Rimsulfuron-
- Riociguat
- Ripasudil
- Ripretinib
- Risdiplam
- Risedronate
- Risedronic Acid
- Risperidone
- Ritalinic Acid
- Ritlecitinib
- Ritodrine
- Ritonavir
- Rivaroxaban
- Rivastigmine
- Rizatriptan
- Rmimidazolam
- Robenacoxib
- Robenidine
- Robinin
- Robison
- Rocuronium
- Rocuronium Bromide
- Rofecoxib
- Roflumilast
- Rolapitant
- Rolicyclidine
- Rolipram
- Romidepsin
- Ronidazole
- Ropinirole
- Ropivacaine
- Rosavin
- Rosiglitazone
- Rosinidine
- Rosuvastatin
- Rosuvastatin Acid
- Rosuvastatin Calcium
- Rotigotine
- Roxadustat
- Roxatidine
- Roxithromycin
- Ruboxistaurin
- Rubusoside
- Rucaparib
- Rufinamide
- Rupatadine
- Ruscogenin
- Ruthenium
- Rutin
- Rutinoside
- Rutoside
- Ruxolitinib
- Ruxolitinib Fumarate
- Ruxolitinib Phosphat...