4169
Lometrexol is an antifolate which inhibits glycinamide ribonucleotide formyltransferase ( GARFT ) , an enzyme essential for de novo purine synthesis .
 Chemical: Lometrexol; Chemical: glycinamide ribonucleotide; Chemical: purine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: Lometrexol; Chemical: glycinamide ribonucleotide; Chemical: purine