folate analogue

Folinic Acid Calcium Salt Pentahydrate (Leucovorin Calcium Pentahydrate) 是一种还原型叶酸，是一种解毒剂，通常与甲氨蝶呤 (MTX) 联用，以降低 MTX 诱导的毒性。

Emofolin sodium is the sodium salt of a synthetic antimetabolite analogue of folate with antineoplastic activity，which competes for the folate binding site of the enzyme dihydrofolate reductase, resulting in inhibition of tetrahydrofolate synthesis, deple

Pralatrexate (10-Propargyl-10-deazaaminopterin) 是一种抗叶酸剂，也是二氢叶酸还原酶抑制剂，Ki 值为 13.4 pM。它具有抗肿瘤活性，可研究复发 难治性 T 细胞淋巴瘤。它是叶酰聚谷氨酸合成酶的底物，具有改善的细胞摄取和保留能力。

BGC-638, an analogue of BGC-945, is a thymidylate synthase inhibitor specifically transported into α-folate receptor (α-FR)–overexpressing tumors.