Abstract: Compounds having the structural formula ##SPC1##Wherein X is an alkyl or alkenyl chain having 2-8 carbon atoms, one of which carbon atoms may be in the form of a carbonyl group, Y is H, alkyl, dialkylaminoethyl, aryl, aralkyl or aryl and aralkyl substituted with one or more R, and R is H, lower alkyl, lower alkoxy, halogen, CF.sub.3, NO.sub.2, OH, CN, COOR.sub.1, ##EQU1## NHCOR.sub.1, NR.sub.1 R.sub.2 or ##EQU2## where R.sub.1 and R.sub.2 are each selected from the group consisting of H and lower alkyl; R, R.sub.1 and R.sub.2 being the same or different, T is 0 or 1 and n is 0-5; and pharmaceutically acceptable salts thereof.