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 BP 630 PERCOCET M U12 N P MUTUAL 401 93 318 C 283 OTSUKA 45 mg or 15 mg EP 134 M 36 RD74 WATSON 853 343 M F5 MX1 KPI 1 85 LU logo PAMELOR 75 mg TI 100 L75 US 15 AR 8N 44 175 104 15/850 TL 121 PA09 N 25 75 RD 72 FLUOXETINE 20 mg NEORAL 25mg 37-4401 L 299 77 L461 A 0.5 44 113