Methine Sentence Examples

It is remarkable that sulphur can replace two methine or CH groups with the production of compounds greatly resembling the original one.

Similarly, two or more methine groups may be replaced by the same number of nitrogen atoms with the formation of rings of considerable stability.

The three primary members are furfurane, thiophene and pyrrol, each of which contains four methine or CH groups, and an oxygen, sulphur and imido (NH) member respectively; a series of compounds containing selenium is also known.