4104-03-4 AI3-27184 BRN 1817578 ENT 27,184 O-Methyl S,S-dipropyl phosphorotrithioate O-Methyl-S,S-dipropyltrithiofosfat [Czech] Phosphorotrithioic acid, O-methyl S,S-dipropyl ester V-C 3-668 Virginia carolina 3-668