1,3,4-Trimethyl-2-(3,4,5-trimethoxybenzyl)-1,2,5,6-tetrahydropyr

1,3,5(10),6,8,14-19-Nor-pregnahexaenes, their use as anti-psoria

1,3,5(10),6,8-19-Nor-pregnapentaenes, their use as anti-psoriati

1,3,5-Trialkynyl-hexahydro-1,3,5-triazine

1,3,5-Trisubstituted-1,2,4-triazole compounds

1,3,5-Trisubstituted-1,2,4-triazole compounds used as bronchodil

1,3,7-Trisubstitued xanthine peripheral vasodilators

1,3,Thiazolinyl and 1,3 thiazinyl substituted indolinones

1,3-Benzoxazin-4-one derivatives and their use as ovicides

1,3-Benzoxazine trichloromethyl derivatives, compositions and us

1,3-Dialkyl-6,7-methoxy-1H-1,2,4-benzothiadiazine-1-oxides

1,3-Dibenzoic acid esters of 17.alpha.-ethynyl-7.alpha.-methyl-1

1,3-Dihydro-1-[(1-piperidinyl)alkyl]-2H-benzimidazol-2-one deriv

1,3-Dihydro-6-(pyridinyl)-2H-imidazo[4,5-b]pyridin-2-ones and -i

1,3-Dihydro-6-(pyridinyl)-2H-imidazo[4,5-b]pyridin-2-ones and -i

1,3-Dihydro-imidazo-(4,5-b)-pyridin-2-ones

1,3-Dioxo-2-[(methoxyphenethyl-amino)-alkyl]-4,4-dimethyl-isoqui

1,3-Dioxolane compounds and their use as fungicides

1,3-Dioxolo(4,5-G)quinoline compounds

1,3-Dithiolo(4,5-b)pyrazin-2-ylidene-propanedinitrile 4-oxide