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 44 438 M 40 ROCHE L150 PEPCID AC WW1 U-S 125 AN 322 73 00 FENTANYL 400 A 2 1 LANNETT L068 E225 CL91 0891 BG-12 240 mg 44 424 MYLAN 1700 54 411 LOTREL 0364 1272 G442 465 N P I 1 P620 T 174 LILLY 3250 ER 2 A/P 25 / 15 SJ G 3741 LIMBREL 52002 LL E 71 EP 170 SZ Z4 54 225