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 .7 GGN6 BACTRIM DS 832 25 Z3 or P BNP 7600 logo and 35 AP207 CL 83 CL 42 IP 302 N16 logo and 152 5136 TL 709 TARO 59 A-008 10 904 logo SANDOZ 664 RX694 RDY610 M 71 L324 AN 573 MYLAN DE 30 EP 321 NL 710 H 102 CL 43 fentanyl 1600 mcg 519 A-295 BMS 6070 54 881 20mg 93 756 logo and 718 N S1 GE 320 M74