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 46 AC359 WPI 3385 RJ73 DDS 081 CPC Macuvex 6I GG 575 Nitro-Dur 0.4 mg/hr CF N030 GX EF3 VISTARIL 54 375 54 043 CYP 196 TL 122 Y 16 I31 93 3145 551 M 0 17 Ortho or Ortho 135 S 900 NPS 275 137 AX7 N635 H118 FL 20 CN 1 321 I 71 Z 4235 logo and 750-20 Vivelle-Dot 0.075 mg/day 4214 54 515 GG851