Pill Identification by Imprints: WPI 500 Home Pill Identification by Imprints: WPI 500 2 results METFORMIN HCL ER 500 MG TABLET Side 1: WPI 500 Color: Blue Side 2: Shape: Round METFORMIN HCL ER 500 MG TABLET Side 1: WPI 500 Color: Blue Side 2: Shape: Round Other Popular Drug Imprint 54 199 161 n TL388 54 346 GS MZ1 EL501 West- ward V 2 AR 787 DT MYLAN 7170 C84 M D5 DAN 10 cor 134 logo and 81 877 P 240 9 4 COUMADIN 2 1/2 PH 044 667 mg L546 CLOM 50 ARICEPT 977 Nitro-Dur 0.2 mg/hr BMS 140 E 22 ZGNX 30 mg P 450 L147 E 511 54 215 106 8 8 CLA500 GG 107 VBZ 40 ZA-43