Pill Identification by Imprints: BN4 Home Pill Identification by Imprints: BN4 2 results BUNAVAIL 4.2-0.7 MG FILM Side 1: BN4 Color: Yellow Side 2: Shape: Rectangular BUNAVAIL 4.2-0.7 MG FILM Side 1: BN4 Color: Yellow Side 2: Shape: Rectangular Other Popular Drug Imprint logo and 804 M 14 F19 25 371 E99 PAL scu1 G188 523 A 349 227 or 292 W W 93 5513 GLYBUR E550 NORCO 539 Advil PM logo and ZA 3126 VP302 HYD 30 TEVA 7591 L 35 L498 Centrix 133 L195 94 MYLAN 5420 W 922 logo and 40 M CL3 MCR 104 C C ALTACE 2.5 mg M250 WP 5901 ST 150 ML 35 MYLAN 6120 RX121