3.3.2.15 1.2 - chorismate pH 6.5 654709 3.3.2.15 50 - isochorismate pH 6.5 654709 3.3.2.15 107 - (5S,6S)-6-amino-5-[(1-carboxyethenyl)oxy]cyclohexa-1,3-diene-1-carboxylate i.e. 2-amino-2-deoxy-isochorismate, pH 6.5 654709