{HEAD ~ The catalyst} is further employed for the preparation of {TAIL ~ aldehydes} by reduction, in the vapor phase, of carboxylic acids, esters and anhydrides 
{ HEAD ~ The catalyst } is further employed for the preparation of { TAIL ~ aldehydes } by reduction , in the vapor phase , of carboxylic acids , esters and anhydrides
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH