Pill Identification by Imprints: R51 Home Pill Identification by Imprints: R51 2 results POTASSIUM CL ER 8 MEQ CAPSULE Side 1: LU Color: White Side 2: R51 Shape: Oblong POTASSIUM CL ER 8 MEQ CAPSULE Side 1: LU Color: White Side 2: R51 Shape: Oblong Other Popular Drug Imprint 93 089 logo and 5034 logo and 2371 ABRS-123 RTG-300 AP040 IP 52 S 368 KU 262 MYLAN 2250 4891 ZF 26 35 86 G 254 R-262 ATN 100 44 189 M 18 M 39 12 21 533 9 2 MYLAN FE 67 RC26 E 11 ALV 317 EV0204 MUTUAL 401 IP 253 T1 125 logo and 4359 IP 110 CRESTOR CRESTOR 10 RP 700 OMP 20 L 177 VRX 205 K6 L 348