while selection of main chain if 2 or more chains of equal lengths are possible then which will be te main chain?
e.g. C(Cl3)-C[C(NO)3]-C-C[p C6H5Cl]-C-C(C6H5)
while selection of main chain if 2 or more chains of equal lengths are possible then which will be te main chain?
e.g. C(Cl3)-C[C(NO)3]-C-C[p C6H5Cl]-C-C(C6H5)