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 RSV 40 A 151 L977 XP650 2 or 8 ANAFRANIL 25 mg DAN 5554 par 290 logo and 6 ED DM logo and 4366 TL051 FL 290 logo and DS 100 S407 MYLAN DE 10 5271 93 5.7 LCE 125 E 50 447 268/40 B 1 ML 44 Targretin CL 38 200 OR logo and 509 755 L42 VH1 PAD 0118 APO 500 M F5 MYLAN 6725 970 B 544 93 308 477 PROVIGIL