preparing {HEAD ~ a reaction mixture} comprising {TAIL ~ sources} of alumina, phosphorus, and, optionally, silica and further comprising at least one first organic directing agent for directing the synthesis of an AFX framework type molecular sieve and at least one second organic directing agent for directing the synthesis of a CHA framework type molecular sieve 
comprising
preparing { HEAD ~ a reaction mixture } comprising { TAIL ~ sources } of alumina , phosphorus , and , optionally , silica and further comprising at least one first organic directing agent for directing the synthesis of an AFX framework type molecular sieve and at least one second organic directing agent for directing the synthesis of a CHA framework type molecular sieve
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH