Unsymmetrical dimethylhydrazine (UDMH) (1,1-Dimethylhydrazine) is a hypergolicrocket fuel[?] ingredient, often used in combination with the oxidiser, nitrogen tetroxide.
UDMH is toxic, and can explode in the presence of oxidisers.
... – and successful - adversary was Abwehr sergeant Hugo Bleicher[?]. He dismantled Interallie[?] intelligence network and personally arrested its leader, major Rom ...