Tetrahydromethotrexate is a folic acid analogue. References: Makulu DR, Folsch E. Reduced forms of aminopterin and methotrexate in L1210 lymphoma. J Natl Cancer Inst. 1977 Jul;59(1):245-9. PubMed PMID: 875056.

纯度：≥98%

CAS：4299-28-9