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 832 024 GG 518 M161 ND2 M 515 CPC 339 cor 126 AP043 MYLAN 5428 McNEIL Eisai G 422 44 392 CC ZC17 Zegerid 674 1327 logo and 0305 I111 K237 WATSON 404 1 4 K 44 MOT LCI 1329 GC 4742 BCL 25 2V125 W 150 logo and 75 b 424 H 3 Black B 749 54 339 logo and 25 mg T 47 GG854