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 AMA RYL V221 W964 R-265 GG 338 T1 or T2 or T3 or P GG 339 Andrx 825 TCL 080 GG 40 WW 927 W 30 DM2 CAP 832 100 A4 U28 n 358 R 200 ZANTAC 150 B853 SPI P50 P-114 AN896 2 SZ 439 TL514 logo L069 4209 logo and 3063 031 GG 125 GG 340 231 and logo YS 01 CP 332 L61 Voltaren XR 3970