Ritonavir Rituxan (rituximab) (Generic Rituximab Injection) Ritalin SR (Generic Methylphenidate) Ritalin LA (Generic Methylphenidate) Ritalin (Generic Methylphenidate) Risperidone Injection Risperidone Risperdal Tablets (Generic Risperidone) Risperdal Oral Solution (Generic Risperidone) Risperdal M-TAB Orally Disintegrating Tablets (Generic Risperidone) Risperdal Consta (Generic Risperidone Injection) Risedronate Risankizumab-rzaa Injection Ripretinib Riopan (Generic Simethicone) 1 2 3 … 5 6 7 8 9 10 11 … 17 18 19