(5) (6) Figure 3-1. Structures of sulfonation substrates investigated in this study. (1) 3-OH-B[a]P; (2) triclosan; (3) 4'-OH-PCB79; (4) 4'-OH-PCBl159; (5) 4'-OH- PCBl65; (6) OHMXC; (7) TCPM; (8) PCP. Full names of each compound are given in the text. CI CI OH