Pill Identification by Imprints: 4223 Home Pill Identification by Imprints: 4223 1 result KOMBIGLYZE XR 5-1,000 MG TAB Side 1: 5/1000 Color: Pink Side 2: 4223 Shape: Oblong Other Popular Drug Imprint NPR EC 500 M 414 6 0 K 18 K-TAB GG 705 CB7 S1 or P 11 54 753 107 JMI D16 L127 MYLAN 2537 WPI 867 POT 40 WATSON 782 PX 4 GG 336 APTALIS 40 AN 553 C1 or C2 or C3 M 444 W28 K 6 SANDOZ 625 54 210 MUTUAL 866 610 U46 WPI 3385 Fentanyl 12 mcg/hr M 735 803 L123 ACTIQ 400 CPC2069 L191 C C TV U7