1
Cyanide of potassium or cyanogen gas; either would give such an odour.
2
But the tail's mostly ammonia, methane, carbon dioxide, water vapour, cyanogen-
3
The odour of the released gas of cyanogen was strong.
4
The odor of the released gas of cyanogen was strong.
5
He was at that time particularly interested in an investigation on certain cyanogen compounds.