1,3(2h,4h)-dioxoisoquinoline-4-carboxamides

1,3,17-triacetoxyestra-1,3,5(10),16-tetraene

1,3,2-oxazaborinides and method for preparing the same

1,3,3-trimethyl-bis(.alpha.-t-butylperoxyisopropyl)-1-phenyl...

1,3,4,5-tetrahydrobenz (cd) indole-3-carboxylic acids

1,3,4-oxa(or thia)diazole compounds

1,3,4-oxadiazole-sulfonamides

1,3,4-thiadiazines and production thereof

1,3,4-thiadiazole-5(4h)-one derivatives

1,3,4-thiadiazoles

1,3,4-thiazolidine-2-thiones and their preparation

1,3,4-triazaindolizine cyanine dyes

1,3,5-triazine ethers

1,3,5-triazine perbromides and derivatives thereof

1,3,5-triazines

1,3,5-triazines

1,3,5-triazines as stabilizing agents for silver-halide...

1,3-bis (o-xenyl)-triazene

1,3-bis(3-isocyanato-o-tolyl) urea

1,3-bis(o-ethylphenyl) guanidine