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 MIA 243 W D 92 USB 001 W 904 93 756 WPI 858 44 375 272 Z310 10 mg T 17 U42 832 BM1 L-FLAV 537 n 574 5685 ASPIRIN M MN1 OXYTROL 3.9 mg/day PLIVA 467 AB1 VANQUISH logo and 076 logo and 325 MYLAN 232 GG 227 TL519 CP 333 HP 66 93 5295 ZONEGRAN 100 M-541 SG 327 50 92 E 210 CL 4 U15 93 832 3.5