Are there alternatives to (2,4-Diaminopteridin-6-yl)methanol hydrochloride hydrate (CAS: 73978-41-3) in synthesis?

There are various alternatives in the synthesis of this compound, such as using simpler amines or different diamine structures. Isomers like 4,4'-diaminodiphenylmethane or other diamine derivatives can be considered. Additionally, alternative reagents like diaminopyrimidine can serve as a starting material, providing researchers with more options depending on the specific requirements of the synthesis.