68908-69-0 2,5-Furandione, dihydro-, polyisobutenyl derivs., reaction products with triethylenetetramine
68910-18-9 1,4-Butanediol, polymer with 1,3-diisocyanatomethylbenzene and .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl), Me Et ketone oxime-blocked