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 625 C 285 EP 136 Andrx 710 35 78 A/P 25 / 15 54 942 ADAMAS 85 logo and 76 A973 54 531 0031 V 36 CIBA 93 292 BMS 140 926 OME 20 M 1 44375 IG274 L957 Z 12 PLIVA 323 265 logo TG E 174 D-3 b 171 IL 3583 U 136 9R MYLAN ZE 60 Syntho GG 505 HP 60 logo and 076 PEPCID AC 230 Andrx 697