Subject
tellurium
organic synthesis
4
selenium
4
sulfur
3
halogen
2
oxygen
2
acetal
1
acid
1
bromine
1
carbon
1
chemical reaction
1
chemical synthesis
1
chlorine
1
derivatization
1
fluorine
1
halide
1
heterocyclic compound
1
iodine
1
laboratory manual
1
metal organic compound
1
organic compound
1
preparation
1