purinethol purine base • puriri · · · Info · Definitions · Synonyms · Characters · · purinethol · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) a drug (trade name Purinethol) that interferes with the metabolism of purine and is used to treat acute lymphocytic leukemia. Synonyms: mercaptopurine, Purinethol. · · Noun Definition 1 Synonyms · · · mercaptopurine · · Synonym 1 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075