quercetin-3,3'-bissulfate 7-sulfotransferase; flavonol 7-sulfotransferase; 7-sulfotransferase; PAPS:flavonol 3,3'/3,4'-disulfate 7-sulfotransferase; 3'-phosphoadenylyl-sulfate:quercetin-3,3'-bissulfate 7-sulfotransferase