Folinic acid is another option I didn't have time to discuss, but see the description for more information on that.
亚叶酸是我这里没有时间讨论的另一种选择,请查阅说明以便获得更多信息。
英语百科
Folinic acid
Folinic acid (BAN) or leucovorin (USAN), generally administered as the calcium or sodium salt (calcium folinate (INN), sodium folinate, leucovorin calcium, leucovorin sodium), is an adjuvant used in cancer chemotherapy involving the drug methotrexate. It is also used in synergistic combination with the chemotherapy agent 5-fluorouracil.