Pill Identification by Imprints: PZ4 Home Pill Identification by Imprints: PZ4 1 result PERPHENAZINE 4 MG TABLET Side 1: M Color: White Side 2: PZ4 Shape: Round Other Popular Drug Imprint logo and 2588 OR 606 893 TUMS 93 657 M 37 logo and 200 b 96 G 3741 402 PA20 44-526 GG 134 454 NT 400 54 783 WATSON 462 Z 12 logo and 89 OWP 750 EP 137 CM3 AUM 101 L161 34 PAL 9 L42 MINIPRESS PLIVA logo and LD 421 GX CJ7 W 30 U 785 N021 TV 5 M205 A20 ANI K106