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 RPC 053 GG 550 PX 1 CPL 3032 316 or 317 C1 or C2 or C3 or P SZ 344 cor 224 54 899 U 787 PAR 822 SZ 573 KPI 241 ACTIQ 1600 567 5 MYLAN TM 140 E448 448 MYLAN 143 93 7351 D-3 176 54 544 C F R150 MYSOLINE 250 PD 222 RSV 10 4891 1112 Andrx 640 MYLAN 1650 ADP bes APO 020 L058 R0.50 M 134 A694