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 T400 A2 25 ZA48 PA 500 31 CTI 142 54 591 499 342 GAB 800 MYLAN 8020 I 27 0500 GG 614 227 L409 AN 643 Theo-24 100mg 23000UL P 25 44 352 MCR 109 logo and PB 1004 CPC 64 T81 WPI 1000 MYLAN PR60 SPN 54 731 54 769 141 44-226 G71 MP 577 logo and 1000-20 247 E795 MINOCYCLINE 100 E 27