is conjugate acid of hygromycin B ammonium ion hygromycin B(3+) (1R,2S,3R,5S,6R)-3-azaniumyl-2,6-dihydroxy-5-(methylazaniumyl)cyclohexyl O-6-azaniumyl-6-deoxy-L-glycero-D-galacto-heptopyranosylidene-(1->2-3)-beta-D-talopyranoside +3 530.256 530.54390 An ammonium ion that is the trication of hygromycin B arising from protonation of the three amino groups; major species at pH 7.3. C20H40N3O13 CHEBI:57971 C[NH2+][C@H]1C[C@@H]([NH3+])[C@H](O)[C@@H](O[C@@H]2O[C@H](CO)[C@H](O)[C@@H]3O[C@@]4(O[C@H](C([NH3+])CO)[C@H](O)[C@H](O)[C@H]4O)O[C@H]23)[C@@H]1O GRRNUXAQVGOGFE-NZSRVPFOSA-Q InChI=1S/C20H37N3O13/c1-23-7-2-5(21)9(26)15(10(7)27)33-19-17-16(11(28)8(4-25)32-19)35-20(36-17)18(31)13(30)12(29)14(34-20)6(22)3-24/h5-19,23-31H,2-4,21-22H2,1H3/p+3/t5-,6?,7+,8-,9+,10-,11+,12-,13+,14-,15-,16+,17+,18-,19+,20-/m1/s1 chebi_ontology hygromycin B hygromycin B trication