El-Deeb, Ibrahim M.; Bayoumi, Said M.; El-Sherbeny, Magda A.; Abdel-Aziz, Alaa A.-M.
European Journal of Medicinal Chemistry, 2010 , vol. 45, # 6 p. 2516 - 2530
1: bis-4,5-dihydroxyimidazolidin-2-one; (R)-4-Carbamoyl-2-ureido-butyric acid With hydrogenchloride in water T=90°C; pH=1 - 2; 1 h; 2: methanol With hydrogenchloride
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