5-hydroxy-4-iso-butyl-1,5-dihydropyrrol-2-one

potassium 3-(aminomethyl)-5-methylhexanoate

(R)-(-)-3-(氨甲酰甲基)-5-甲基己酸

5-hydroxy-1-[1-(R)-phenyl-ethyl]-4-isobutyl-1,5-dihydro-pyrrol-2-one