13286-49-2 4-06-00-02802 (Beilstein Handbook Reference) AI3-22754 BRN 2000948 Bayer R-1837 ENT 22,754 Phosphorodithioic acid, O,O-diethyl S-((4-nitrophenyl)methyl) ester Phosphorodithioic acid, O,O-diethyl S-p-nitrobenzyl ester