6436-05-1 BRN 1250300 ENT 27,159 HRS 1635 Hooker hrs-1635 O,O-Diethyl S-9-thiabicyclo(4.2.1)nonenyl phosphorodithioate (isomeric mixture) Phosphorodithioic acid, O,O-diethyl S-9-thiabicyclo(3.3.1)non-6-en-2-yl ester