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 37-4401 BUMEX 0.5 973 301 RE 76 CPL 3031 TL 706 L553 31 81 LIMBREL 52006 307 R 100 TL 708 832 50 93 3109 CL 74 AA59 TH1M GS FC2 NF5 MYLAN 1020 A1 or A2 or A3 or A4 3 1 logo and 121 logo and 4346 MP 445 860 V209 E 211 BENTYL 20 A21 EXH 32 FX 75 54 848 414 E 124 678 698 200 PE 723 N-T