Pill Identification by Imprints: R 50 Home Pill Identification by Imprints: R 50 2 results METOPROLOL TARTRATE 50 MG TAB Side 1: R 50 Color: Pink Side 2: Shape: Round METOPROLOL TARTRATE 50 MG TAB Side 1: R 50 Color: Pink Side 2: Shape: Round Other Popular Drug Imprint IDT M15 M Z1 60 99 T504 SZ 656 E 117 142 952 L012 Andrx 825 N 83 ZC 82 461 80 mg Y 46 EK 20 A1 or A2 or A3 or A4 44 194 ZA-43 bull symbol TAP OP 706 R471 logo and 4359 MYLAN 2260 NORCO 539 B 526 569 A333 V30 GAVISCON 1175 MP 512 C 746 RB97 CPC1325 M1000 ARI 20 YS 01 E 221 HP 26 10 or 20