十四烷-5-酮

[(8R,9S,10R,13S,14S,17S)-10,13-二甲基-3-氧代-1,2,6,7,8,9,11,12,14,15,16,17-十二氢环戊烯并[a]菲-17-基]戊酸酯

1-(2-萘基)-1-戊酮

pentanoyl fluoride

1-(cyclohexen-1-yl)pentan-1-one