Pill Identification by Imprints: D23 Home Pill Identification by Imprints: D23 1 result DOXYCYCLINE MONO 100 MG TABLET Side 1: M Color: Light Yellow Side 2: D23 Shape: Round Other Popular Drug Imprint 801 202 or 222 Z 5 MYLAN TM 140 FP650 497 SB 4140 AN 44 L430 2 58 AP205 A 37 G 3511 E3 or E6 A257 DAN 5783 7663 K 100 Z320 20 mg USL 8 337 44 175 AMBI 443 200 ER BL L1 2471 98 barr 400 mg DIDREX 50 GX CE2 ML 44 Lilly 3231 CPC2069 I 11 BL 50 U 135 M D5 A223 E 13 FL