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 cor 116 8311 IX525 W 784 UCB 500XR logo 9 E 41 E1 or D8 BCT 2 1/2 708 EP 116 M 543 DIAMOX 754 IP207 Targretin PREMARIN 0.3 A87 R 100 H 145 CPC 997 PROTONIX VP302 MYLAN 7010 TA1M logo and 5711 SD 6 3670 HP 60 N 943 E 130 A 43 N024 421 P 450 RI4 54 372 54 544 ER A536 576