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 I 36 DAN 5643 G221 G 60 C 11 C 474 BY4 7152 logo and LD TYLENOL ER BPI 192 TN 2 L468 P 10 MP 80 logo and 345 M 735 P0 02 101 EP 117 BAYER BAYER MP 101 350 IP 194 Buprenorphine Transdermal System M135 SZ 213 T0101 311 I 6 802 IP 303 MACRODANTIN 50 mg EM 5 GS I 12 W D 92 OV 93 319 LCE 200