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The catalyst selects to the toluene sulfonic acid, the amount used for the reactant lumpy mass 5 ~ 6%;
催化剂选用对甲苯磺酸,用量为反应物总质量的5~6%;
youdao
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The catalyst selects to the toluene sulfonic acid, the amount used for the reactant lumpy mass 5 ~ 6%;
催化剂选用对甲苯磺酸,用量为反应物总质量的5~6%;
youdao