(2S)-2-isopropylmalate => 2-isopropylmaleate + H2O
(2s)-2-isopropylmalate => 2-isopropylmaleate + h2o
(2S)-2-isopropylmalate => 2-isopropylmaleate + H2O
(2s)-2-isopropylmalate => 2-isopropylmaleate + h2o