Pill Identification by Imprints: E4 Home Pill Identification by Imprints: E4 2 results BELBUCA 450 MCG FILM Side 1: E4 Color: Yellow Side 2: Shape: Rectangular (Rounded End) BELBUCA 450 MCG FILM Side 1: E4 Color: Yellow Side 2: Shape: Rectangular (Rounded End) Other Popular Drug Imprint 253 S 39 DAN 5782 Mucinex MYLAN 7160 188 1044 54 Advil A&CR APO 033 AA 71 G352 M V4 AN057 P212 F7 44 447 2.5/325 5270 93 L133 AN 545 RIFATER SZ 210 G 4900 E 7 NL 790 M 0 5 23000UL MVC 25 IG271 M 715 L 1 T546 93 089 N4 977 EP 119 ALEVE PM I 24 UPSHER-SMITH 0229