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 MMD M B7 GC 101 H 2 3126 G 421 MP 89 E 647 54 150 APO T50 RX693 M RN4 M77 I 49 30 mg N 4 B 304 Northera MD logo and 80 44 533 ETO 300 MG U47 2682 logo and 56 CIT SZ 469 S429 250 mg 241 1 WELLBUTRIN XL 300 36 01 AK H 102 93/11 par 93 319 MYLAN 2537 A223 CTI 141 WELLBUTRIN SR 200