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 ZYNOVA 01 Climara (estradiol) 0.075mg/day PA4 RG 10 KU 106 GG N7 A533 par 022 logo and 257 OMN XR 300 129 b 213 AP4 KC 8 NL 44 546 266/18 REL900 L 36 54 840 P-1 AHI 4 N P TCL083 logo T4 54 349 PLIVA 470 LFX A96 425 G 1520 345 BMS 6070 RF 28 4 mg A511 RP 104 cor 150