英文名称
[2-[(3-Methyl-7-oxo-6-oxabicyclo[3.2.1]octan-4-yl)oxy]-2-oxoethyl] 2-methylprop-2-enoate;[2-[(4-methyl-7-oxo-6-oxabicyclo[3.2.1]octan-4-yl)oxy]-2-oxoethyl] 2-methylprop-2-enoate;[2-[(5-methyl-7-oxo-6-oxabicyclo[3.2.1]octan-4-yl)oxy]-2-oxoethyl] 2-methylprop-2-enoate