For 10 points, name this functionality that features three single bonds from nitrogen.
An example of this functionality used in buffers includes a methyl group trisubstituted with hydroxymethyl units and is commonly called "tris". The APUD system is used to create biogenic types of these compounds, which include substance P and epinephrine. A test for these compounds performed with sulfonyl chloride is named for Hinsberg. The exhaustive methylation of this functionality results in an elimination reaction and is named for Hofmann. Aromatic examples of this functional group include aniline, and alkyl versions often smell like fish. For 10 points, name this functionality that features three single bonds from nitrogen.
An example of this functionality used in buffers includes a methyl group trisubstituted with hydroxymethyl units and is commonly called "tris".
{amines}