常见例句Keywords arylmethylidenecyanoacetate;dimedone;ammonium acetate;arcidine;synthesis ; 芳亚甲基氰乙酸酯;达米酮;醋酸铵;吖啶;合成;arcidine dyes 吖啶染料arcidine yellow 吖啶黄arcidine red 吖啶红 返回 arcidine