these crystals were placed into four groups of bladders : 1 ) normal bladders , 2 ) bladders rendered mucus deficient with hydrochloric acid , 3 ) mucus deficient bladders which were pre-treated with sodium pentosanpolysulfate prior to crystal addition and 4 ) mucus deficient bladders to which were added crystals pretreated with pentosanpolysulfate .
C0524684
sodium pentosanpolysulfate
C0600296
pentosanpolysulfate