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 294 CIBA LAN 1231 M 261 Lilly 3231 NT SZ 659 W 923 LCE 100 Black B 749 G 020 PN S 571 Compoz LCI 1356 2 54 G221 K12 C81 S 20 Durachol E122 54 043 B 50 INDERAL XL GG 44 TY325 LOTREL 2260 N 80 V265 AR 374 G1 ADDERALL XR 54 251 SG 327 MX 15 TCL 272 biocraft 115 M 312 TL 177