Try searching for...
SCFBio, IIT Delhi
Formula: C6H15N3O4S | Mol. Weight: 225.27 g/mol
IUPAC: diaminomethylidene(3-methylbut-2-enyl)azanium;hydrogen sulfate
CC(=CC[NH+]=C(N)N)C.OS(=O)(=O)[O-]