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L-Glutamicacid,N-[4-[[[2-amino-5-[[(2-chloroethyl)amino]carbonyl]-1,4,5,6,7,8-hexahydro-4-oxo-6-pteridinyl]methyl]amino]benzoyl]-(9CI) cas 72988-03-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG dru