13C/15N-Enriched l-Dopa as a Triple-Resonance NMR Probe to Monitor Neurotransmitter Dopamine in the Brain and Liver Extracts of Mice. - Yamada, Hisatsugu; Kameda, Tetsuro; Kimura, Yu; Imai, Hirohiko; Matsuda, Tetsuya; Sando, Shinsuke; Toshimitsu, Akio; Aoyama, Yasuhiro; Kondo, Teruyuki (ChemistryOpen, 2016)