{HEAD ~ The substance} having such property is a compound which based on {TAIL ~ spectral data} and other physical properties is believed may be represented by Formula I 
{ HEAD ~ The substance } having such property is a compound which based on { TAIL ~ spectral data } and other physical properties is believed may be represented by Formula I
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH