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 44-502 SZ 199 logo and 255 219 M 753 logo and 667 141 I 16 IP 219 GP325 DT 54 145 SZ 656 Cdx 50 L141 PH 32 100 101 GG851 S 660 W 925 V.5 630 44 533 n 356 44 532 78 B 304 logo and 0305 15 WPI 500 COZAAR GX CJ7 TCL T 194 1122 0866 G76 PE L58 60 99