Pill Identification by Imprints: P F Home Pill Identification by Imprints: P F 2 results THEOPHYLLINE ER 400 MG TABLET Side 1: U 400 Color: White Side 2: P F Shape: Round THEOPHYLLINE ER 600 MG TABLET Side 1: P F Color: White Side 2: U 600 Shape: Rectangular Other Popular Drug Imprint Lilly 3229 TCL 086 SLOW- MAG S406 G 0522 M L19 FL 60 cor 126 C162 54 327 CORTEF 5 A CD MYLAN 1259 Z 66 ziks 0203 FAMVIR R 10 GE 320 CIT NT 400 logo and 077 229 229 M U11 WATSON 607 FEL 400 3171 V Andrx 710 M54 W 1035 WATSON 453 BMS 250 mg NP 12 1250 Q 300 54 233 IP 305 PRODRIN LCI 1445 A44 ASPIRIN