1,3-dichloro-2-fluoro-4-nitrobenzene

1,3,5,7,2,4,6,8-TETRAAZATETRAPHOSPHOCANE-2,4,6,8-TETROL 2,4,6,8-TETRAOXIDE

1,3,7-trimethyl-8-(3-pyridinyl)-3,7-dihydro-1H-purine-2,6-dione hydrochloride

1,3-dimethyl-2(1H)-quinoxalinone

1,3-DIMETHYL-5-NITROURACIL MONOHYDRATE

1,3-DIMETHYL-7,7A-DIHYDRO-6H,13H-PURINO[8',7':2,3]PYRIMIDO[6,1-B][1,3]BENZOXAZINE-2,4,13(1H,3H)-TRIONE

1,3-DINITRO-4-(PHENYLTHIO)NAPHTHALENE

1,3-DIOXO-2-M-TOLYL-2,3-DIHYDRO-1H-ISOINDOLE-5-CARBOXYLIC ACID PROPYL ESTER

1,3-DIOXO-2-PHENYL-2,3-DIHYDRO-1H-ISOINDOLE-5-CARBOXYLIC ACID HEXYL ESTER

1,3-DITERT-BUTYL-5-ETHYNYLBENZENE

[1,3,3-trimethyl-2-(methylamino)bicyclo[2.2.1]hept-2-yl]acetic acid hydrochloride

1,3,4-TRIBROMO-5-METHOXY-2-METHYL-BENZENE

1,3,4,6-TETRA-O-ACETYL-2-DEOXY-2-[(TRIFLUOROACETYL)AMINO]-BETA-L-GLUCOPYRANOSE

1,3,5-Tribromo-2,4,6-trimethylbenzene

1,3,5-TRIISOPROPYLCYCLOHEXANE, MIXTURE OF ISOMERS