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 WPI 3699 L217 838 E150 URS785 93 784 GAVISCON 1175 HH 93 753 H 145 L-FLAV GIL 0.5 RP105 K 23 MP 773 L187 ALINIA GX 623 54 036 WW 15 ML 31 M202 S 521 DXL 5 5 5 61 61 GX CG7 V401 TL 171 APO 500 ZA 66 Butrans 20mcg/hour FENTANYL 75mcg/h 538 ALTACE 1.25 mg OMEGA-RX U26 CL 23 44 347 logo and LIBRAX ICN