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 TEVA TEVA T400 92 West-ward HP65 MP 447 A-011 30 ANI 210 P P ASK001 LK100 GPI W2 EL510 MEDROL 4 7154 IP 10 FS2 TI 200 EPITOL BEACH 1111 D 96 R428 363 M D6 DAN 54 543 Fentanyl 75 mcg/hr MYLAN 145 logo and 256 AP 045 ADIPEX-P I 05 37.5 25 AN 512 13 M 434 WPI 3510 E 771 VSP1 M3