Electron impact mass spectra of silylated 5,9,13-trimethyltetradec-4E,8E,12-trienoic acid (compound 3) (A), 5,9,13-trimethyltetradecanoic acid (compound 7) (B), 5,9,13-trimethyltetradec-4E,8E,12-trien-1-ol (compound 2) (C), and 5,9,13-trimethyltetradecan-1-ol (compound 6) (D).