...H.....O
....|......||
H-C-O-C-H
....|
...H
更新1:
Which could be formed by bromine and alkene(C4H8) Ans is.........H..Br..H ...................|...|....| ..............H--C--C--C--H ...................|...|....| ..................H...|...H ..................H..C...H .......................| ......................Br Why?isn't it propane?
更新2:
re pingshek: one more question to ask Is there any rule in constructing condensed structural formulae?