84329-58-8 1H,3H-Benzo[1,2-c:4,5-c]difuran-1,3,5,7-tetrone polymer with 5,5-carbonylbis[1,3-isobenzofurandione], 4,4-oxybis[benzenamine] and 3,3-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)bis[1-propanamine] 84332-97-8 3,5,5-trimethylhexyl 6,6-dibutyl-15,17,17-trimethyl-4,8,11-trioxo-5,7,12-trioxa-6-stannaoctadeca-2,9-dienoate