(2R)-2,4-dimethyl-2-thiopropionyl-hexa-3,5-dienoic acid ethyl ester

(R,E)-4-methoxy-3,5-dimethyl-5-(2-methylbuta-1,3-dien-1-yl)thiophen-2(5H)-one

(R,E)-benzyl 2,4-dimethyl-2-(propionylthio)hexa-3,5-dienoate

ethyl (R,E)-2-mercapto-2,4-dimethylhexa-3,5-dienoate

2-(tert-butyl)-5-(1-hydroxy-2-methyl-2-butenyl)-5-methyl-1,3-oxathiolan-4-one