{HEAD ~ The present invention} is also directed to {TAIL ~ processes} of preparing dithiane wherein the 13C atom is directly bonded to one or two deuterium atoms 
is directed to
{ HEAD ~ The present invention } is also directed to { TAIL ~ processes } of preparing dithiane wherein the 13C atom is directly bonded to one or two deuterium atoms
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH