1457186 Therapeutic compositions HOECHST AG 22 Feb 1974 [24 Feb 1973] 8171/74 Heading A5B [Also in Division C2] Therapeutic compositions having hypolipaemic and (in some cases) hypoglycaemic activity and which are preferably administered orally comprise (with certain exclusions: see Division C2) compounds of formula wherein X is O or S; R1 is H C 1-6 alkyl or Ph; R2 is H or R1-R2 forms with the ring 4-C atom a carbocyclic 5- or 6-membered ring; R3 R4 R5 are each H halogen or NO 2 ; and R6 R7 a...