6,6'-Sulfinylbis(2,4-dichlorophenol) 844-26-8 NSC523910 Phenol, 2,2'-sulfinylbis(4,6-dichloro- Phenol, 2,2'-sulfinylbis[4,6-dichloro- WLN: QR BG DG FSO&R BQ CG EG