the method provided direct , rapid chromatography of phenol sulfates in crude extracts of the red alga ( polysiphonia lanosa ( 2,3-dibromo-4,5-dihydroxybenzyl alcohol 1',4-disulfate ) , of the brown alga ascophyllum nodosum ( 1,2,3,5-tetrahydroxybenzene 2,5-disulfate ) , and in rat urine ( resorcinol mono- and disulfates ) .
C0031428
phenol
C0035197
resorcinol