Difference between Amethopterin and Methotrexate

What is the difference between Amethopterin and Methotrexate?

Amethopterin as a noun is methotrexate while Methotrexate as a noun is an antimetabolite and antifolate drug used in treatment of cancer and autoimmune diseases.

We hope you now know whether to use Amethopterin or Methotrexate in your sentence.