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 ZA-37 GG 259 804 5125 V L344 A026 UPSHER-SMITH 0087 54 137 INDERAL LA 160 logo and 33 Z 66 H125 PH 043 1117 APO 020 M250 ZA48 BI 7 PLIVA 456 E61 b 214 K MYLAN ZE 60 301 RX 900 AAA 1138 G 172 54 879 logo and 777 G 531 GX EJ7 419 WW 27 C 24 M 619 500 500 MP 83 I 7 T53 DV