> as lemmas

1877 H. Watts Fownes's Man. Elem. Chem. (ed. 12) II. 94 In the isocyanide the carbon belonging to the alcohol-radicle is united directly with the nitrogen; in the [normal] cyanide, only through the medium of the carbon belonging to the cyanogen.

1881 H. E. Roscoe & C. Schorlemmer Treat. Chem. III. i. 162 Cyanides of the alcohol radicals. These bodies are formed when an alcoholic iodide is heated with silver cyanide... The compounds obtained in this way are usually termed isocyanides or carbamines.

1907 Daily Chron. 12 Dec. 5/5 Someone noiselessly discharged several squibs of iso~cyanide, and two ladies in the audience fled.

1928 Sunday Disp. 16 Dec. 13/5 The new gas, cacodyl isocyanide, which..was..so terrible and destructive..in its effect on life.

1964 N. G. Clark Mod. Org. Chem. xiii. 265 The isocyanides are of no practical value, with the possible exception of the Carbylamine Reaction. However, the elucidation of their structure..has provided an interesting chapter in the development of organic chemistry.