D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate <=> 3-(imidazol-4-yl)-2-oxopropyl phosphate + H2O
d-erythro-1-(imidazol-4-yl)glycerol 3-phosphate <=> 3-(imidazol-4-yl)-2-oxopropyl phosphate + h2o
D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate <=> 3-(imidazol-4-yl)-2-oxopropyl phosphate + H2O
d-erythro-1-(imidazol-4-yl)glycerol 3-phosphate <=> 3-(imidazol-4-yl)-2-oxopropyl phosphate + h2o