Pill Identification by Imprints: RI4 Home Pill Identification by Imprints: RI4 2 results RISPERIDONE 2 MG TABLET Side 1: RI4 Color: Yellow Side 2: Shape: Round RISPERIDONE 2 MG TABLET Side 1: RI4 Color: Yellow Side 2: Shape: Round Other Popular Drug Imprint OWP 1000 54 466 C 25 APO 041 T558 IP 10 Nitro-Dur 0.8 mg/hr 756 1081 SZ442 1382 Fentanyl 75 mcg/hr 54 373 L 178 266/18 M PD3 TL388 97 X10 T1 100 CLR PRIFTIN CL 5 P63 93 3127 C 2 1/2 MYLAN CF 135 LMT or LAMICTAL E 101 G 372 2 VISTARIL 2532 logo and 2588 0425 EVK riba 200 L274 P U A 50 CN 1