1,3,3-Trimethyl-2-methylene indoline cationic n-methyl azo dyes

1,3,4,5-Tetrahydro-2H-1,4-benzodiazepin-2-ones

1,3,4,9-Tetrahydropyrano[3,4-b]indole-1-acetamides and derivativ

1,3,4,9B-Tetrahydro-5-methyl-2H-indeno[1,2-c]pyridines

1,3,4-Benzotriazepine-2-thiones

1,3,4-Oxadiazole amides

1,3,4-Thiadiazol-2,5-diyl-bis-benzoic acid esters

1,3,4-Thiadiazolyl-(2)-hexahydro-triazinones

1,3,4-Triols and derivatives thereof

1,3,4-Trisubstituted-4-arylpiperidines and their preparation

1,3,5,7-Naphthalenetetracarboxylic acids and process for prepara

1,3,5,7-Tetranitroxyadamantane

1,3,5-Triazapenta-1,4-diene sulfonate esters

1,3,5-Triazinediones

1,3,5-Triazines containing at least one piperidine radical

1,3,5-Tricarbo-1,4-dihydropyridines

1,3,5-Trisubstituted-1,2,4-triazole compounds

1,3,5-Trisubstituted-1,2,4-triazole compounds

1,3-Adamantylene-bis-trimellitate dianhydrides

1,3-Alkylene-diazetidine-2,4-diones