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 G 171 RT D3 or P NEXIUM 20mg SZ 985 343 V400 73 CN 1 RX724 L 66 NT 400 O-M 5012 V L2 ECR D 96 PC 22 logo and 077 InterMune and logo 267mg I 03 E502 logo and 111 TCL333 P50 logo and 100 mg RES200 93 752 54 647 L61 1 83 M CL2 RI2 461 AA 16 MEDROL 16 CORTEF 5 APO 850 SC 800 12 25