{HEAD ~ The urethane} substituted {TAIL ~ xanthene} colorant features very good wax and oil solubility, and is believed to be relatively nontoxic 
{ HEAD ~ The urethane } substituted { TAIL ~ xanthene } colorant features very good wax and oil solubility , and is believed to be relatively nontoxic
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH