Synonyms: AC1O57ZZ;5899-45-6;beta-Alanine, N-((2S)-2,4-dihydroxy-3,3-dimethyl-1-oxobutyl)-, calcium salt, compd. with (2,5-dioxo-4-imidazolidinyl)urea (2:1:2);beta-Alanine, N-((2S)-2,4-dihydroxy-3,3-dimethyl-1-oxobutyl)-, calcium salt, compd. with N-(2,5-dioxo-4-imidazolidinyl)urea (2:1:2);calcium; 3-[[(2S)-2,4-dihydroxy-3,3-dimethylbutanoyl]amino]propanoate; (2,5-dioxoimidazolidin-4-yl)urea