Pill Identification by Imprints: R52 Home Pill Identification by Imprints: R52 2 results POTASSIUM CL ER 10 MEQ CAPSULE Side 1: LU Color: Blue Side 2: R52 Shape: Oblong POTASSIUM CL ER 10 MEQ CAPSULE Side 1: LU Color: Blue Side 2: R52 Shape: Oblong Other Popular Drug Imprint P 5 4825 1 84 C371 86 67 LILLY 4415 PROVERA 2.5 b 974 A 101 643 L873 MX 23 19 G 1160 BMS 1966 M A15 100 mg RE 21 CL 83 ANI 232 GG 517 APO900 T 5 Neurontin 300 mg WW 64 54 987 L957 logo and 2838 CL27 U03 P24HR 3169 ZA21 44 679 HP 11 MONODOX 100 MSD 735 A-P 2 BVF WATSON 795