Thus, for example, if R1 and R2 are methyl groups, the hydroformylation will produce {TAIL ~ an aldehyde} in which {HEAD ~ R3} is an ethyl group 
in
Thus , for example , if R1 and R2 are methyl groups , the hydroformylation will produce { TAIL ~ an aldehyde } in which { HEAD ~ R3 } is an ethyl group
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH