1,3-DIBROMO-2,4-IMIDAZOLIDINEDIONE

1,3-DIBUTYLUREA

1,3-Dichloro-5,5-diphenyl-2,4-imidazolidinedione

1,3,6,6-TETRABROMO-ADAMANTANE

1,3:2,4-DI-O-ETHYLIDENE-D-SORBITOL

1,3-dimethyl-4-(3-methylphenyl)-6,7-dihydro-1H-pyrazolo[4,3-f][1,4]thiazepine hydrochloride

1,3-DIMETHYL-7-(1-NAPHTHYL-ME)-8-(1-PIPERIDINYL)-3,7-DIHYDRO-1H-PURINE-2,6-DIONE

1,3-DIMETHYL-CYCLOPENTA(L)PHENANTHREN-2-ONE

1,3-dioxan-5-yl(phenyl)methanone

1,3-DIOXO-2-P-TOLYL-2,3-DIHYDRO-1H-ISOINDOLE-5-CARBOXYLIC ACID HEPTYL ESTER

1,3-DIOXO-2(4-PHENOXY-PH)-2,3-DIHYDRO-1H-ISOINDOLE-5-CARBOXYLIC ACID DECYL ESTER

1,3-Phenylenediacetamidoxime

1,3,3-TRIS(TRIPHENYLSILYL)ALLENE

1,3,4,5,6,6,7-HEPTACHLOROBICYCLO(3.2.0)HEPT-3-EN-2-ONE

1,3,5-TRI-TERT-BUTYL-2-METHOXY-BENZENE