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 M 437 XELODA PVK 500 M 625 A602 L413 906 UCB 750XR ML 91 194 CL 85 C 2 1/2 PAD 0181 1032 e5 110 VGR 25 VIP101 S 226 GSI1000 EV0070 W 781 75 mg OXYTROL 3.9 mg/day L49 MARION U36 M D36 U37 WATSON 411 749 L485 ROCHE W 902 U35 A510 K12 AN249 Y 46 AHI 2 0 95