82214-96-8 Glutamic acid, N-(p-(((2,4-diamino-7-methyl-7H-pyrimido(4,5-b)(1,4)thiazin-6-yl)methyl)methylamino)benzoyl)-, L- L-Glutamic acid, N-(4-(((2,4-diamino-7-methyl-7H-pyrimido(4,5-b)(1,4)thiazin-6-yl)methyl)methylamino)benzoyl)- N-(4-(((2,4-Diamino-7-methyl-7H-pyrimido(4,5-b)(1,4)thiazin-6-yl)methyl)methylamino)benzoyl)-L-glutamic acid