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 OS 304 M377 PBT 5.0 CTI 122 NP 1 logo and 5711 RD 70 1 84 54 757 SZ 987 GG 615 CORTEF 20 M250 Poly 782 E61 ZF 43 S592 126 E 41 logo 9 WPI 900 N 82 MYLAN GT 16 511 m B S553 I 7 ZC 15 AZ6 ZA 64 WPI 1000 WATSON 460 SOMA 350 NATCO b 97 4940 B 2 E 53 93 1060 nGL