Pill Identification by Imprints: M 4 Home Pill Identification by Imprints: M 4 4 results METOPROLOL SUCC ER 200 MG TAB Side 1: M 4 Color: White Side 2: Shape: Oval METOPROLOL SUCC ER 200 MG TAB Side 1: M 4 Color: White Side 2: Shape: Oval METOPROLOL SUCC ER 200 MG TAB Side 1: M 4 Color: White Side 2: Shape: Oval METOPROLOL SUCC ER 200 MG TAB Side 1: M 4 Color: White Side 2: Shape: Oval Other Popular Drug Imprint GS MZ1 54 735 93 215 1327 logo and 5033 312 HP 38 FR32 logo and 1830 SS-1 logo and 8 625 MYLAN 1020 logo and 1112 A029 EXH 16 m 50 L344 P58 60 mg 664 Z 67 P F L124 93 1003 Logo and Z+ or M+ Z4 256 VANCO SR 375 logo and 2779 326 U24 STO 50 E 177 L 5 R719 490 AN 571 WATSON 3208