The precursor comprises {HEAD ~ a palladium salt} that is complexed with a complexing agent selected from the group consisting of organic phosphates, {TAIL ~ dialkylidene acetones}, and tetraalkyl ammonium hydroxides 
The precursor comprises { HEAD ~ a palladium salt } that is complexed with a complexing agent selected from the group consisting of organic phosphates , { TAIL ~ dialkylidene acetones } , and tetraalkyl ammonium hydroxides
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH