Hoechst Aktiengesellschaft

Mario Reiser

Alfons Soder

Heinz-Joachim Hinze

Jaromir Komarek

Werner Mohler

Manfred Jayme

Compound of the formula ##STR1## wherein one of the groups R.sub.1, R.sub.2 and R.sub.3 is a hydroxyalkyl group containing from 4 to 8 carbon atoms, one of the other two, which may be the same or different, is an alkyl group containing from 2 to 12 carbon atoms and the third one is an alkyl group containing from 1 to 12 carbon atoms or a hydrogen atom, R.sub.2 however being an alkyl or hydroxyalkyl group, at least one of the groups R.sub.1, R.sub.2 and R.sub.3 containing at least 5 carbon atoms, a process for their preparation and a pharmaceutical composition containing said compounds.

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Wiesbaden, Germany

Mario Reiser