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 93 42 EZ FE 231 and logo KC 4211 V fentanyl 1200 mcg ZC40 BL 05 IL 3583 logo 150 MYLAN A1 CREON 1224 381 b m 200 RD 73 T1 100 L009 P02 IP 115 L521 GPI A325 C1 or C2 or C3 b NL 791 PRO N004 R180 P U CM LAN 1301 GG 63 B 260 M 0 17 60 97 PAL 3 UNISOM T1 75 54 931 Eisai BCT 2 1/2