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 581 FENTANYL 1200 W 25 62 MYLAN 184 MYLAN 1101 717 WATSON 3551 LEMMON 3432 54 557 E73 4994 COUMADIN 7 1/2 W 781 BMS 300 MG Z 3926 1344 PARLODEL 2 1/2 NPR EC 500 5686 M 17 4839 V CM4 531 F22 54 127 A A A A CJ UPSHER-SMITH 0228 A 349 C 4 96 B167 60274 M 530 MYLAN 6725 ADALAT CC logo 150 M PD6