Pill Identification by Imprints: U 600 Home Pill Identification by Imprints: U 600 1 result THEOPHYLLINE ER 600 MG TABLET Side 1: P F Color: White Side 2: U 600 Shape: Rectangular Other Popular Drug Imprint PLIVA 470 B 294 AR 788 cor 212 ZESTRIL 20 POLY 212 L181 SZ 225 L178 S 429 EPITOL 166 NXT AMBI 444 SZ 987 CORTEF 5 791 FENTANYL 75mcg/h LCI 1383 IDT M100 93 3109 BL 04 0813 USL 10 C1 or C2 or C3 L100 GG C6 GS UY2 425 3.5 STO 150 PO S1 M2A3 57344 H H MEDROL 2 MP 771 L124 TV U4 K 28 PFIZER 396 224