Spectrometric Study of the Nitrile-Ketenimine Tautomerism

Table 3

MS² data for diethyl-2-cyano-3-methyl-2-pentenodiate.

Precursor ion (m/z)	Relevant product ions (m/z)
180	152, 124
179	151, 134, 123, 107, 106
152	124
151	123, 107, 106, 97, 96
134	106
123	97, 96, 79, 69
107	79