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 PA 916 ZD 13 T81 M P3 RSV 5 FLZ 150 U16 A1 or A2 RD 54 Lilly 2 AD V 23 HP 149 L 239 M 090 PRIFTIN MYLAN 148 O-M 180 or O-M 215 or O-M 250 PX J67 T 22 44 348 U40 2106 1343 WATSON 796 1 KLONOPIN T33 STO 100 n30 K 2 DAN 100 ZE 43 BP 608 783 S 90 3 U35 M 18 54 612 2368