CH₃CH₂COH                                        CH₃COCH₂CH₃

(a) CH₃CH₂CH₂OH                                    CH₃CH(OH)CH₂CH₃

(b) CH₃CH₂CH₂OH                                    CH₃CH(OH)CH₂CH₃

(c) CH₃CH₂CH₃                                          CH₃CH₂CH₂CH₃

(d) CH₃CH₂CH(OH)(CN)                         CH₃C(OH)(CN)CH₂CH₃

(e) CH₃CH₂CH(OH)(OCH₃)                    CH₃C(OH)(OCH₃)CH₂CH₃

(f) CH₃CH₂CH(OCH₃)₂                            CH₃C(OCH₃)₂CH₂CH₃

(g) CH₃CH₂CH₂OH                                    CH₃CH(OH)CH₂CH₃

(h) CH₃CH₂CH₃                                          CH₃CH₂CH₂CH₃

(i) CH₃CH₂HC=N-NH₂                            CH₃(C=N-NH₂)CH₂CH₃

(j) CH₃CH₂HC=N-OH                              CH₃(C=N-OH)CH₂CH₃

(k) CH₃CH₂CO₂H                                       CO₂H + HO₂CCH₂CH₃

(l) CH₃CH₂HC=NNH-C₆H₅                     CH₃(C=NNH-C₆H₅)CH₂CH₃

(m) CH₃CH₂HC=NNH-CONH₂                                CH₃(C=NNH-CONH₂)CH₂CH₃

(n) CH₃CH₂HC=NNH-C₆H₃(NO₂)₂       CH₃(C=NNH-C₆H₃(NO₂)₂)CH₂CH₃

(o) CH₃CH₂CH(OH)CH₂CH₃                   CH₃C(OH)(CH₂CH₃)CH₂CH₃

(p) NR                                                          NR