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 826 462 125 mg PH 32 74 ZE 972 ECI 166 805 EXELON 4.5 mg 292 MYLAN 5750 logo and S5 C 35 P U RIFADIN 300 V355 H P MEDROL 16 L194 RIC H 603 346 E502 SV J3T MYLAN 2150 AUM 102 5 XL 285 KU 260 VALTREX 1 gram A3 or F1 logo 9 RX696 93 782 EXELON 3 mg 791 CZ 25 ER 1 K 55 logo and A3