Pill Identification by Imprints: PFIZER 431 Home Pill Identification by Imprints: PFIZER 431 2 results MINIPRESS 1 MG CAPSULE Side 1: MINIPRESS Color: White Side 2: PFIZER 431 Shape: Oblong PRAZOSIN 1 MG CAPSULE Side 1: MINIPRESS Color: White Side 2: PFIZER 431 Shape: Oblong Other Popular Drug Imprint logo and 2588 G453 57 71 b E 54 B 683 C1 or C2 or C3 or P A87 146 AZ 011 5150 logo YH VASO 2.5 logo and 2778 MDV 308 ASK001 H 2 I3 54 883 345 TCL 340 C26 EM3 MYLAN 5426 A533 593 EV0070 CL50 E99 G 220 MYLAN 551 DD or DJ or DH or DN or DT T53 Neurontin 400 mg Lilly 3227 NORCO 539 M159 977 KU