Synonyms: 2H-Pyran-2-one,5,6-dihydro-4-methoxy-6-(2-phenylethyl)-, (S)-; 2H-Pyran-2-one,5,6-dihydro-4-methoxy-6-phenethyl- (8CI); (+)-7,8-Dihydrokavain;(+)-Dihydrokavain; (+)-Dihydrokawain; (S)-(+)-Dihydrokawain; 7,8-Dihydrokavain;7,8-Dihydrokawain; Dihydrokavain; Dihydrokawain; Kawain, dihydro-; Marindinin;NSC 112163