Disodium Salt Aminopterin is a pharmaceutical compound with various synonyms. One common synonym is Methotrexate Disodium, which is a medication used to treat various medical conditions, including rheumatoid arthritis and certain types of cancer. Another synonym for Disodium Salt Aminopterin is Amethopterin Disodium, which is also a chemotherapy drug used to treat cancer. Additionally, it is known as MTX Disodium, an abbreviation commonly used in medical literature. These synonyms refer to the same compound, which functions by interfering with DNA synthesis and suppressing the immune system. It is crucial to note that these terms are interchangeable and should be used in accordance with medical context and professional guidelines.