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We construct an equivariant collection of contractions of the com-pactified Culler-Vogtmann outer space X ". As a consequence, we prove that any finite subgroup of the outer automorphism group of a free group fixes a contractible subset of X " .
The synthesis of a new series of phenylacetylguanidines is described. Several of them exhibited high antihypertensive activity in the rat. The most potent member of the series is N-amidino-2-(2,6-dichlorophenyl)acetamide hydrochloride [2,6-dichlorophenylacetylguanidine hydrochloride, compound 19], which is now in clinical study under the clinical code… (More)
11,12-Dihydroxy-7-methyl-4,5,6,7,7a,8-hexahydrophenanthro[10,1-b,c]-azepine (2), a homologue of apomorphine (1), has been found to be devoid of dopaminergic effects. The biological differences between apomorphine and this homologue are explained in terms of differences in conformation of the two molecules.