Pill Identification by Imprints: KEFLEX 500 mg Home Pill Identification by Imprints: KEFLEX 500 mg 1 result KEFLEX 500 MG CAPSULE Side 1: KEFLEX 500 mg Color: Light Green Side 2: Shape: Oblong Other Popular Drug Imprint UCB 583 MP 46 NP 20 .7 WAR 4 CM4 C7 NT 151 ROBAXIN 750 G 342 550 AK 54 753 Organon AS 400 ML54 logo YC TR 0 or TR 6 or TR 1 or KH 2 AC 42 0027 V PC20 logo and 3063 1/2 E613 C45 EP 131 508 54 199 B 3 M3 or P or M4 E20 LCL 38 logo and 047 5688 A-002 ZC 78 A-293 WAR 1 024