“… 2-butanol increased from 0.0 to 6.8 mmol m(-3) (2.5×10(….2% (threonine), 10.4% (methionine), 10.3% (tyrosine), 9.8% (valinol), 9.2% ( phenylalanine ), 7.8% (tryptophan), 5.6% (2,4-lutidine), 2.2% (….0% (tetrapropylammonium ion, TPA), and 0.3% (tetrabutylammonium ion, TBA).”