Pill Identification by Imprints: m 100 Home Pill Identification by Imprints: m 100 1 result METOPROLOL SUCC ER 100 MG TAB Side 1: m 100 Color: White Side 2: Shape: Round Other Popular Drug Imprint 10 mg and 3513 H 01 974 PRO H152 M500 381 BMS 400 mg N009 LV 74 ZE RI2 ALVA E 32 ANCOBON 250 ICN 1/2 KLONOPIN E 801 logo and 404 EP 121 93 41 BVF 300 ZC42 C 7 Northera R 10 4 05 C 2 ZGNX 40 mg Caltrate UT 0.25 629 ED 400 VP 021 D 85 C 85 Fentanyl 50 mcg/hr 4993 11 37 595 M400