Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/474624c018f2cb069872b2bef199dc32.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 acetic anhydride例句_acetic anhydride英汉例句_acetic anhydride双解例句_零六五六深蓝词典
The Beckmann solution consists of acetic acid, hydrochloric acid and acetic anhydride, and was widely used to catalyze the rearrangement. 貝尅曼溶劑被廣泛用來催化重排反應,其實際成分爲乙酸,鹽酸和乙酸酐。