1.c-c-c-c-c-c\ c-c-c-c-c\c-c-c-c-c\c-c-c-c\
| | | |
c c c c
c
|
c-c-c-c
|
c
2.c-c-c-c-c-c-c-\c-c-c-c-c-c\c-c-c-c-c-c\c-c-c-c-c\c-c-c-c-c
| | | | | |
c c c c c c
c c
| |
c-c-c-c-c c-c-c-c-c
| |
c c
c c
| |
c-c-c-c
|
c
H自己添吧,反正是饱和烃