1,3,7-Trisubstitued xanthine peripheral vasodilators

1,3,8-Triazaspiro(4.5)decan-4-one derivatives

1,3,8-Triazaspirodecane-4-ones, pharmaceutical compositions ther

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

1,3-Benzodithiol-2-N,N-dialkyliminium salts and pesticidal use

1,3-Benzodithiol-2-ones

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

1,3-Benzoxazine trichloromethyl derivatives, compositions and us

1,3-Bis-(trihalomethylsulfenyl)-imidazoline-2,4-diones

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

1,3-Dialkyl-cyclohexanes, method of production and method of use

1,3-Diaryl-2-imino-imidazolidines and compositions thereof

1,3-Diazole heterocyclic compounds and their use as pesticides

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

1,3-Dihydro-1'-dimethylphosphinylalkyl-3-phenylspiro(isobenzofur

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

1,3-Dihydro-1-[3-(1-piperidinyl)propyl]-2H-benzimidazol-2-ones a

1,3-Dihydro-3-(2-hydroxy-, 2-bromo- or 2-chloroethyl)-2H-isoindo

1,3-Dihydro-3-phenyl-1'-(2-propynyl)spiro[isobenzofuran]s

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