常见例句Keywords Sucrose acetate;Trialkyl orthoacetate;Sucrose aikyl 4;6-orthoacetate hexaacetate; 蔗糖乙酸酯;原乙酸三烷基酯;4;6-原乙酸蔗糖六乙酸酯;catalytic aikylation 催化烷基化法 返回 aikylation