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 VP 076 ZE 50 Y Y 382 54 688 S406 logo and 667 298 BP 815 PA 916 XANAX 0.5 FIORICET FIORICET L994 EP 904 H 49 S429 500 mg G 1520 12.5 TZ 7 2 KLONOPIN 44 403 93 3109 BMS 140 G 423 logo and 5710 L430 TL516 Theo-24 100 mg BRX 0.25 A 117 MYLAN 3000 397 HP 4 57 71 M72 A533 E62 CNG1 CDT 254 MYLAN TM 140