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 I2 NTBC 10 mg LIMBREL 52006 PAR 822 KU 107 MX43 SZ 788 SEARLE 1461 IP 173 N 135 CM1 L254 PBT 5.0 V402 M110 951 Andrx 700 V41 SEROQUEL 100 V 5 FEL 400 44-470 E 55 U 169 A66 N8 BUMEX 1 GG 339 C224 AN 351 logo and 805 V20 1345 591 Alora 0.1mg/day estradiol 54 328 par 129 0860 MLX 152 P-D 916