1,3-Dibutyl-3,7-dihydro-1H-purine-2,6-dione

1,3-dichloro-5-(chloromethyl)benzene

1,3,6-Trigalloylglucose

1,3,9-TRIMETHYL-1,9-DIHYDRO-PYRAZOLO(3,4-B)QUINOLIN-4-ONE

1,3-dimethyl-3-phenylpyrrolidine hydrochloride

1,3-DIMETHYL-6,7-DIPHENYLLUMAZINE

1,3-DIMETHYL-BENZO(4,5)IMIDAZO(1,2-A)PYRIDINE-4-CARBONITRILE

1,3-dioxan-5-yl benzoate

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

1,3-DIOXO-2-THIAZOL-2-YL-2,3-DIHYDRO-1H-ISOINDOLE-5-CARBOXYLIC ACID

1,3-DIVINYL-5-ISOBUTYL-5-METHYLHYDANTOIN

1,3,3-TRIMETHYL-BICYCLO(2.2.1)HEPTANE-2,6-DIOL

1,3,4,5,6,10b-hexahydrobenzo[h]quinolin-4a(2H)-ylmethanol hydrochloride

1,3,5-Pentanetricarboxylic Acid

1,3,5-TRICHLORO-2,4,6-TRIMETHYL-BENZENE