Antimalarials as antagonists of purines and pteroylglutamic acid.
D000962:Antimalarials; D005493:Folic Acid Antagonists; D011687:Purines
D000962:Antimalarials; D005493:Folic Acid Antagonists; D011687:Purines; C030985:purine
FOLIC ACID/antagonist; PURINE AND PURINE BASES