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