5-苄氧基戊酸

1-(3,4-dihydro-2H-pyran-6-yl)-2-methylbut-2-en-1-one

hexadec-5-enoic acid

trimethylsilyl 5-bromopentanoate

3,4-二氢-6-(三甲基甲硅烷基氧基)-2H-吡喃