2-甲基蒽醌

2-chloro-7-methylnaphthalene-1,4-dione

(E)-3-甲酰基丁-2-烯基乙酸酯

(2-methyl-1-oxobut-3-en-2-yl) acetate

(Z)-2-Methyl-2-buten-1,1,4-triyltriacetat