Pill Identification by Imprints: 54 420 Home Pill Identification by Imprints: 54 420 2 results MERCAPTOPURINE 50 MG TABLET Side 1: 54 420 Color: Pale Yellow Side 2: Shape: Round MERCAPTOPURINE 50 MG TABLET Side 1: 54 420 Color: Pale Yellow Side 2: Shape: Round Other Popular Drug Imprint 584 XANAX 1.0 E 10 553 5410 835 107 RSV 5 M 407 LDK 150MG 24 logo and 1810 Advil PM 348 HP 71 LANNETT EXELON 4.5 mg WATSON 151 A 101 010 B 155 CL 4 ZA-37 GGN2 A02 AAT 051 P/T 358 T500 174 NM1 GPI A5 41 AA 13 WATSON 783 Butrans 7.5 mcg/hour M162 L428 A 215 93/7441