3, 4-Xylenesulfonic acid, sodium salt

3, 4-Xylenethiol

3, 4-Xylenol, 6-bromo-

3, 4-Xylenol, 6-chloro-, carbamate

3, 4-Xylenol, 6-tert-butyl-

3, 4-Xylidine

3, 4-Xylidine, 6-(beta-carboxypropionyl)-, hydrochloride, hydrate

3, 4-Xylidino-D-ribitol

3, 4-Xylyl 3, 5-xylyl disulfide

3, 4-Xylyl acetate

3, 4-Xylyl chloroformate

3, 4-Xylylacetonitrile

3, 4-Xylyloxyacetic acid

3, 5', 6'-Tris(dimethylamino)spiro(9H-fluorene-9, 1'(3'H)-isobenzofuran)-3'-one

3, 5, 12, 14-Tetraazahexadecane-1, 2, 15, 16-tetracarboxylic acid, 3, 14-bis(dimethylamino)-4, 13-dioxo-, tetramethyl ester

3, 5, 12, 15-Tetraoxa-9-thia-4-phosphaheptacosan-1-aminium, 7-(acetylamino)-4-hydroxy-N, N, N-trimethyl-, inner salt, 4-oxide

3, 5, 12-Trihydroxy-10-methoxy-3-(methoxyacetyl)-6, 11-dioxo-1, 2, 3, 4, 6, 11-hexahydro-1-naphthacenyl 3-amino-2, 3, 6-trideoxyhexopyranoside

3, 5, 13, 15-Tetraaza-4, 14-diphosphatricyclo(15.3.1.1(7, 11))docosa-1(21), 7, 9, 11(22), 17, 19-hexaene, 4, 4, 14, 14-tetrahydro-4, 4, 4, 14, 14, 14-hexakis(1-aziridinyl)-2, 6, 12, 16-tetraoxo-

3, 5, 14-Trihydroxycholest-7-en-6-one

3, 5, 20-Tri-O-propionylingenol