The compound 1 wherein said 13C {HEAD ~ atom} is directly bonded to {TAIL ~ exactly one deuterium atom} 
is directly bonded to
The compound 1 wherein said 13C { HEAD ~ atom } is directly bonded to { TAIL ~ exactly one deuterium atom }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL