Suggested Reaction 1.4.3.-

Left

1D-1-Guanidino-3-amino-1,3-dideoxy-scyllo-inositol
+H2O
+O2

Right

1D-1-Guanidino-1-deoxy-3-dehydro-scyllo-inositol
+Ammonia
+H2O2
[BiSSCat | GREP ]