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 LH2 4853 V MYLAN 2264 ML 4 PA2120 logo and 111 FELBATOL 400 HP 11 VRX 0901 2292 54 956 AHI 1 F 25 AG AG PEPCID IP 465 SCI7 STO 125 454 InterMune and logo 267mg 2V125 44 438 T011 5904 V S 21 S 369 AE logo and 401 C83 NT or EP P297 32 A 33 M31 logo SANDOZ 667 Surfak SZ Z4 CY V353 160 mg 2 VALIUM