Robuta

https://pubchem.ncbi.nlm.nih.gov/compound/2-_2-Methyl-1-oxoallyl_oxy_ethyl-6-hydroxyhexanoate-polymer-with-3-isocyanatomethyl-3_5_5-trimethylc 2-((2-Methyl-1-oxoallyl)oxy)ethyl 6-hydroxyhexanoate polymer with... 2-((2-Methyl-1-oxoallyl)oxy)ethyl 6-hydroxyhexanoate polymer with 3-isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate and bis(2-hydroxyethyl) ether... methyloxypolymer