Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/484e0d720458f62c5c76b7d15ccb1c71.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 dialkyl例句_dialkyl英汉例句_dialkyl双解例句_食材鋪反向词典
Alkyl balides react with sodium borohydride and selenium in the presence of solid sodium hydroxide to give dialkyl selenides in excellent yields. 在固躰氫氧化鈉存在下，鹵代烴及用氫化鈉與硒粉作用，在乙醇溶液中制得二烴基硒醚。