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.
... the opening is not quite where it should be (it occurs lower than normal in hypospadias). A chordee[?] is when the urethra develops between the penis and the scrotum.
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