4.1.2.8 0.006 - (1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate - 691511 4.1.2.8 2.3 - indole-3-glycerol phosphate - 670717 4.1.2.8 6.55 - (1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate pH 8.0, 22°C 728444