onal carbonyl compound having the structure wherein D is a hydrocarbyl group, n is an integer from 1 to 15, m is either 0 or 1, s is 0 or an integer from 1 to 10; Ra, Rb, Rc, and Rd, are each a hydrogen or a hydrocarbyl group; Y is CO???(CReRf)p, wherein Re and Rf are each a hydrogen or hydrocarbyl group and p is an integer from 0 to 20 or CO???C6H4???, wherein the substitution pattern on the phen