(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-L-glutamic acid hydrate(1:x)

for the following products (2S)-2-[(4-{[(2,4-diaminopteridin-6-yl)methyl](methyl)amino}phenyl)formamido]pentanedioic acid | L(+)-Amethopterin hydrate | Methotrexate | Methotrexate hydrate and (4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-L-glutamic acid hydrate(1:x)