(7alpha,8beta,9beta,10alpha)-7,8,9,10-Tetrahydro-7,8,9-trihydroxybenzo(a)pyrene-10-sulfonic acid 124443-16-9 7,8,9-Trihydroxy-7,8,9,10-tetrahydrobenzo(a)pyrene-10-sulfonate Benzo(a)pyrene-10-sulfonic acid, 7,8,9,10-tetrahydro-7,8,9-trihydroxy-, (7alpha,8beta,9beta,10alpha)-, (+-)-