Pill Identification by Imprints: U 400 Home Pill Identification by Imprints: U 400 1 result THEOPHYLLINE ER 400 MG TABLET Side 1: U 400 Color: White Side 2: P F Shape: Round Other Popular Drug Imprint H152 832 100 MP 443 93 7437 L75 NL 712 1034 D5 P24HR ML 5 C 4 FENTANYL 75mcg/h K 40 cor 135 par 222 J78 A112 G 3719 Pin-X M945 SL 125 U7 or U13 54 122 GC5 246 or 303 248 RI2 ZONEGRAN 100 PARAFON FORTE DSC 1033 b1011 m10 WAR 2 U27 FHI P 40 IP 253 93 5269 928 BVF 180