6436-04-0 BRN 1287185 ENT 27,158 HRS 1634 Hooker hrs-1634 Phosphorodithioic acid, O,O-dimethyl S-9-thiabicyclo(3.3.1)non-6-en-2-yl ester Phosphorodithioic acid, O,O-dimethyl S-9-thiabicyclo(4.2.1)nonenyl ester (isomeric mixture)