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 STO 50 54 656 CMZ 200 3138 TL600 WATSON 605 558 CL8 953 L 165 153 K 111 M A12 A 20 54 466 44 111 PRAVACHOL 20 R207 E712 T0101 N 11 U41 C 92 MVC 300 IP 218 U25 HP 145 VP 031 AUM 103 922 AUGMENTIN GS TEW 50 mg EXH 16 DCI GLYNASE 1.5 GLD 533 EP 136 IDT M15 ST 300