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 1139 I 37 FLUMADINE 100 TAK RAM-8 GX CL2 P 10 LCE 200 M 125 logo and 6 54 302 4007 West-ward 473 456 RI89 ALLERGY 12 T 109 902 MYLAN 3075 1 0 MUTUAL 866 SEA RLE 10 21 93 3196 L Z M L19 MYLAN 185 L2U4 G 3719 C 745 KPI 117 B810 OMJ 150 54 327 HP 70 MYLAN 4070 L 66 RC GGP 415 DAN 5642 T52 V41