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 RPR 202 XANAX 99 LIMBREL 52006 WC 402 M2A3 57344 475 P 2.5 812 C371 TCL 086 SG 329 IP 8 logo and 038 TARO PHN 100 WC 730 H 009 54 741 T 17 A mo P 1 979 351 Andrx 720 J64 CL48 RP 115 K12 CL 78 MYLAN 3404 906 UHE 93 832 N004 ASC 2 mg 1158 5688 ap 107 975