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 WATSON 853 UCB 579 PX 1 S 226 PROVERA 5 2172 B 293 SCU2 WAR 4 W 921 BMS 1964 TV 1 DAN 5560 GG 257 171 LDT e5 111 Q22 logo and 5312 PreQue 033 CL 78 FLUOXETINE 40mg N C ML 72 CL28 E 103 FLI 14 mg U-S 250 L116 U41 US 10 logo and PB TCL 086 MP 80 5.7 F 84 TENCON RSV 40 C72