2 3-dihydroxybutaandizuur July 8, 2019 16 32 64 128 2 3 dihydroxybutaandizuur 2 3 dihydroxybutanoic acid 2 3-dihydroxy-2-methylbutyrate 2 3-dihydroxy isovalerate 2 3-dihydroxy-3-methylbutanoate