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 SCU2 E550 APR ANDRODERM and LOGO and 4MG/DAY CL47 ZE 43 P P MYLAN AC I 02 Estradiol 0.1mg/day (Once Weekly) GG 823 AN 777 W961 EVK N2 SZ 395 DSC L60 54 162 C 286 MUTUAL 899 OV 111 Z46 E 102 344 04 K 9 WATSON 415 RLC Z4 E 648 J94 PFIZER 396 O MYLAN 5340 F6 WPI 3629 TV 598 C25 FAM250 OM L217