1,3 Disubstituted aromatic cyclohexane imides

1,3 Disubstituted-5-diazobarbituric acids

1,3,2-dioxaborinanes

1,3,2-oxazaphospholdine stabilizers

1,3,4 substituted and bicyclic derivatives of 2-azetidinones and

1,3,4-oxadiazine derivatives and their use as pesticides

1,3,4-oxadiazine derivatives and their use as pesticides

1,3,4-oxadiazole derivatives and process for producing the same

1,3,4-Oxadiazoles

1,3,4-oxadiazoles containing the pentafluorothio (SF.sub.5) grou

1,3,4-Oxadiazoles containing the pentafluorothio (SF.sub.5) Grou

1,3,4-oxadiazolin-2-ones and their use as pesticides

1,3,4-Oxadiazolyl-phenoxyalkylisoxazoles and their use as antivi

1,3,4-Thiadiazole compounds and herbicidal compositions

1,3,4-Thiadiazole-2-carboxylic acid derivatives, process for mak

1,3,4-thiadiazoline-5-sulfonamides

1,3,4-thiadiazolyl ureas and processes for controlling weeds and

1,3,4-Trisubstituted-4-aryl-1,4,5,6-tetra-hydropyridines

1,3,5 Tris-(2-chloroformyl-oxyethyl)-isocyanurate

1,3,5,5-Tetranitrohexahydropyrimidine (DNNC)