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 P-1 RZT P5 MMD NC 200 K-TAB VH3 I83 44 235 WRF 6 792 CN 500 ECI F22 EP 320 GG N4 CP 419 G 035 600 L 178 MYLAN 8021 1068 BR 522 H9050 EC logo and 3062 M73 V402 C8 or C7 or C6 or C9 296 A 6 MD 562 L144 barr 5 mg GX LL7 logo and 3116 E4 L 1 REL SUN808