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 2 KLONOPIN MP 79 Phillips' L16 BI 11 KU 129 ZYLOPRIM 300 CL50 54 373 NV3 FX100 S 90 3 L or LU logo and 067 SZ Z7 M A20 logo and 012 93-5 MYLAN 1020 U 787 BY2 M 134 MYLAN 5050 H 149 SLX 102 93 784 West-ward 480 68 85 CR 250 54 733 AC39 OMJ 150 M V5 E 771 25 102 V30 1160 GG 126 212 54 452