| http://www.w3.org/ns/prov#value | - ample, diisocyanates, diacids, diacid chlorides, diesters, and bis(azlactones) ##STR20## wherein R2 is a single bond or a hydrocarbon group selected from alkylene groups of 1 to 16 carbon atoms, arylene groups of 5 to 12 ring atoms, and arenylene groups of 6 to 26 carbon and heteroatoms, or R2 can be 2 to 8 alkylene, arylene, and arenylene groups joined by up to 7 unitary catenary heteroatoms sele
|
