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 logo and 1000-40 R 158 or 54 312 or GG849 SA 100 54 795 221 J 247 M MN1 APO 021 BACTRIM GG 634 19 1189 G 3718 UCB 580 cor 136 NP 1 TAK RAM-8 54 346 logo and 2891 TYLENOL 4 CODEINE SCI7 1385 L010 242 S489 ACA 100mg 2858 P 33 P-O KU 260 AN 323 PIO L48 WW 110 GC MP 47 ZC 03 GIL 1 IP207 DIAMOX 754