Sarafloxacin hydrochloride – CAS Number: 91296-87-6
Roxithromycin – CAS Number: 80214-83-1
Rotenone – CAS Number: 83-79-4
Rifaximin – CAS Number: 80621-81-4
Ribavirin – CAS Number: 36791-04-5
Ritodrine hydrochloride – CAS Number: 23239-51-2
Rosiglitazone maleate – CAS Number: 155141-29-0
Rifampicin – CAS Number: 13292-46-1
Reserpine – CAS Number: 50-55-5