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 SEROQUEL 50 E 174 MYLAN 1258 BP 632 745 2 Y 93 7372 G80 AN896 2 M U11 SIDEROL MYLAN 167 400 P62 APO 033 NP 20 IRESSA 250 GG 771 R50 337 P51 1427 DAN 10 F L 54 070 NORCO 539 IP 101 D 175 N 943 logo and 54 RIDAURA A-24 M451 ZA-44 logo and 0495 BL 302 IBU200 BL 301 S4