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 63 E 205 86 67 54 888 CTI 112 WW S 434 342 NAT B 302 MYLAN 5211 DMT AA 14 7U0 E 511 E20 PA83 CL14 97 44 175 93 129 T81 TCL 272 SG 329 U 129 132 54 661 DIDREX 50 V254 logo 040 H144 GX LL1 Fentanyl 75 mcg/hr FLZ 200 54 017 Shire 60 MYLAN 1258 Glaxo E550