methotrexate polyglutamate

Poly(imino((1S)-1-carboxy-4-oxo-1,4-butanediyl)), alpha-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-omega-hydroxy-

Poly(imino(1-carboxy-4-oxo-1,4-butanediyl)), alpha-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-omega-hydroxy-, (S)-