The order of addition of the components of this process is not critical to {HEAD ~ the preparation} of {TAIL ~ the azetidinone product} 
of
The order of addition of the components of this process is not critical to { HEAD ~ the preparation } of { TAIL ~ the azetidinone product }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL