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 ZONEGRAN 25 Y02 S 21 SG 327 A 16 logo and A4 CRESTOR 5 U13 C28 logo 040 RI 5 209 or 274 TL 121 MYSOLINE 250 logo and 574 b 776 54 960 WP 0320 4829 TI 01 93 3165 970 37 R 1 FT TL 383 MYLAN A LILLY 4117 CITRACAL N029 RD 73 54 591 USL 8 MYC 180 LE 500 A94 U 785 H 107 2470 ECI