The molecule is an amino cyclitol that is streptidine in which the hydroxy group between the two guanidino groups is replaced by hydrogen. It is an amino cyclitol, a member of guanidines and a triol. It derives from a streptidine.
2-[(1R,2S,4R,5S)-5-(diaminomethylideneamino)-2,3,4-trihydroxycyclohexyl]guanidine