(E)-2,2-dimethoxy-3-methyl-4-(prop-1-en-1-yl)oxetane

2,2-Dimethoxy-3,4-dimethyl-cyclobutanecarbaldehyde

1,1,1-trifluoropent-3-en-2-ol

3-乙基苯并吡喃-2-酮

[(E)-1-cyanobut-2-enyl] acetate