烷烃 CnH2n+2
烯烃CnH2n
炔烃CnH2n-2
苯及其同系物CnH2n-6
醇类CnH2n+2O
酮类、醛类CnH2nO
一元羧酸、酯类CnH2nO2
卤素X2
卤代烃CnH2n+iX
环烷烃CnH2n
纤维素、淀粉（C6H10O5）n 烷烃 CnH2n+2
烯烃CnH2n
炔烃CnH2n-2
苯及其同系物CnH2n-6
醇类CnH2n+2O
酮类、醛类CnH2nO
一元羧酸、酯类CnH2nO2
卤素X2
卤代烃CnH2n+iX
环烷烃CnH2n
纤维素、淀粉（C6H10O5）n