Their 1,5-γ-quinolactones have also

Their 1,5-γ-quinolactones have also been studied not only
for their potential hypoglycemic effects but for their action
in the brain function, more specifically, at the mu opioid and
adenosine receptors

Hasil (Bahasa Indonesia) 2:

Mereka 1,5-γ-quinolactones juga telah dipelajari tidak hanya
untuk potensi efek hipoglikemik mereka tetapi untuk aksi mereka
dalam fungsi otak, lebih khusus, di opioid mu dan
reseptor adenosin