Pill Identification by Imprints: 5266 Home Pill Identification by Imprints: 5266 2 results TETRACYCLINE 500 MG CAPSULE Side 1: 5266 Color: Yellow Side 2: 5266 Shape: Oblong TETRACYCLINE 500 MG CAPSULE Side 1: 5266 Color: Yellow Side 2: 5266 Shape: Oblong Other Popular Drug Imprint 166 U 88 GX FC3 BP CLARITIN 10 WPI 900 EP 121 L233 ZF 25 P-1 ZA-11 54 557 K2 L416 Organon C 54 DYN-115 E 511 CL 76 ML 91 C C C PD 223 M A12 667 mg 54 327 Triax M0100 LFX 1111 F21 H151 260 CL 205 MARGESIC WATSON 605 P58 W 1031 Midol WATSON 790 WATSON 410 C17