p jnbbhhnnjjbbbjibhjjbbjkjvgcgbnnnnjjbhhuuiimnkiiiiijuuumf?Hgvggyyhhhhbbbnjnjujjjjhjuijjnt I'm sorry but I'm still trying not only person who has been trying the same time remember when you have been trying not in IJVVFFVHJKKJHCCCVBVVHBBB trying Yhfddghuhgc bbbhhjjjkkkoon 回...
已知化合物B3N3H6(硼氮苯)与C6H6(苯)的分子结构相似,如下图,则硼氮苯的二氯取代物 B3N3H4CI2 的同分异构体的数目为HHHHHBHNBBHHHHN—HH