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 AC 355 467 201 or 271 logo and NT AL3 MYLAN ZE 60 Z 5 C 23 272 438 MYLAN 334 RX3341 2176 102 HP 38 1020 P293 328 G 036 93 834 MYLAN 3025 1019 C1 D1 L49 LH2 T3 L344 TZ 1 1018 logo and 777 GLYSET 59743 cor 225 GPI LB CP 25 MYLAN DE 30 SA 25 103 F 8