Pill Identification by Imprints: Q21 Home Pill Identification by Imprints: Q21 3 results METFORMIN HCL ER 500 MG OSM-TB Side 1: Q21 Color: White Side 2: LU Shape: Oval METFORMIN HCL ER 500 MG OSM-TB Side 1: Q21 Color: White Side 2: LU Shape: Oval METFORMIN HCL ER 500 MG OSM-TB Side 1: Q21 Color: White Side 2: LU Shape: Oval Other Popular Drug Imprint 2084 V L122 ACCOLATE 20 Rifampin 300 barr 180 mg WATSON 415 T400 ucb 1000 ML 86 L180 242 2 E0 CL 3 M A20 A538 NAPROSYN PH 033 G 372 2 PTLA VGR 25 HP 71 SE 5 DILANTIN MAX FE TN 2 WPI 3720 MYLAN 6750 ML 61 300 ER par 087 RAM 027 ADIPEX-P 37.5 U25 202 logo and 3090 MOD 100 ZA-45 BP 631 LL714