Pill Identification by Imprints: 4221 Home Pill Identification by Imprints: 4221 1 result KOMBIGLYZE XR 5-500 MG TABLET Side 1: 5/500 Color: Light Brown Side 2: 4221 Shape: Oblong Other Popular Drug Imprint 590 I 34 B AYE R APO 021 861 Lofibra 67 mg E6 P 984 PAR 867 B 252 G 0 AS 400 M A10 PV40 MYLAN GT 24 L144 Y05 E41 CT L 60 MT1 VP 043 MYLAN FE 67 UCB 580 I63 G456 54 814 MUTUAL 105 FLZ 200 KU 128 0027 V 1 9 A200 GG N7 logo and 4806 GP 154 10 mg 54 006 675 036