1,4,l,5,9,( ),6A.3B.2C.1D.8
1,4,l,5,9,( ),6
A.3
B.2
C.1
D.8
相关考题:
下列分子中,哪种存在对映异构体?A.1,3-戊二烯B.2,3-戊二烯C.1,4-戊二烯D.1,2-戊二烯
1,4,l,5,9,( ),6
A.3
B.2
C.1
D.8