Pill Identification by Imprints: D21 Home Pill Identification by Imprints: D21 1 result DOXYCYCLINE MONO 50 MG TABLET Side 1: M Color: Light Yellow Side 2: D21 Shape: Round Other Popular Drug Imprint PREMPRO 0.625/2.5 809 2369 422 U47 399 C 285 STO 150 C C C LAMICTAL XR 50 or 100 or 200 419 GG 51 EP 904 1311 FLI 21 mg G 252 RJ71 logo and 160 P3 93 292 N050 355 ESL600 CM3 WW 110 N2 GG 772 1/2 KLONOPIN 220 54 199 I26 HLA 80 C5 Z 3925 L126 I G L429 MYLAN 551 4827 G 55