dimethyl 2-(2-methylbut-3-en-2-yl)propanedioate

(5-甲基-2-丙-2-基己-4-烯基)乙酸酯

ethyl 2,2-dimethylchroman-6-carboxylate

acetic acid,(3,3-dimethyloxiran-2-yl)methanol

TsNH(prenyl)