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 S 369 93 657 L067 PD 54 111 CL 40 TL 382 L485 ZGNX 50 mg 44-455 PP I 51 9Q3 ML 57 713 GG637 logo and 343 4941 HRA B084 GAS-X ES WATSON 461 RPC 053 GX CL5 GG M75 ZC17 L015 AP 86 Estradiol 0.025 mg/day TAP or logo or AMOX 500 GDC 103 GAB 600 GG 771 54 421 MCR 109 TL 211 logo and 0495 PREMPRO AX7