0 B10R1.54 C1=CC(=O)O[C@@H]1CC(=O)[O-] Muconolactone-R [0,1,0,1,0,0|1,0,1]=4 1 B10R1.54 C1=CC(=O)O[C@H]1CC(=O)[O-] Muconolactone-S [0,1,0,1,0,0|1,0,1]=4