Role of folic acid derivatives in purine biosynthesis.
D000963:Antimetabolites; D005492:Folic Acid / Q000031:analogs & derivatives; D006801:Humans; D011687:Purines
D000963:Antimetabolites; D011687:Purines; D005492:Folic Acid; C030985:purine
FOLIC ACID/derivatives; PURINES