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 AAT 052 XENICAL 120 EB C 286 TYLENOL ER P15 6469 L476 HP V249 N011 645 E43 P P MYLAN 551 INDERAL XL 30/4 93 54 262 233 and logo PA1 4827 Z or M IP 302 ANDRODERM and logo and 2MG/DAY G454 C 75 HP 11 N E 157 CBP 200 M A12 M250 300 mg Ris 0.25 N 4 LBH 10 mg A10 PFIZER 399 MYLAN 3000