Suitable supports include zeolites, kieselghur, fullers or diatomaceous earth, {HEAD ~ alumina} and {TAIL ~ silica gel} 
Suitable supports include zeolites , kieselghur , fullers or diatomaceous earth , { HEAD ~ alumina } and { TAIL ~ silica gel }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL