C[NH2+][C@@H]2[C@H](O)CO[C@@H]1C[C@](C[C@H]([NH3+])C([O-])=O)(C([O-])=O)O[C@@H]12 DYH_1_2ZNT -4.334 163.199 21 304.299 9 6 1 5 258.53