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 IP 174 APO900 ANAFRANIL 25 mg M MT E 22 L 167 E 103 EX0096 or 50 97 840 M 27 GG854 ZF 25 TV 2 1/2 DAN 5440 Florastor ML 30 T-E WPI 3699 LE 500 44 113 MYLAN 7150 CP113 1442 TI NPR LE 500 b 424 D2 DAN 5 BUMEX 2 152 Andrx 698 WC 730 R135 W 922 EV0077 SZ441 M161 C 285 93 130