In {TAIL ~ certain preferred embodiments}, {HEAD ~ the molar ration} of K:A is in the range of 1:1.5 to 1:15 
In
In { TAIL ~ certain preferred embodiments } , { HEAD ~ the molar ration } of K : A is in the range of 1:1.5 to 1:15
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH