Disclosed herein are a derivative of dihydroxybenzamide represented by the formula(I): ##STR1## wherein (1) R.sup.1 represents a hydrogen atom or a lower alkyl group and R.sup.2 represents a straight chain-alkyl group of 4 to 12 carbon atoms, a branched chain-alkyl group of 4 to 12 carbon atoms, a cyclo-alkyl group of 4 to 12 carbon atoms, ##STR2## wherein n is an integer of 1 to 6, or a pyridyl group which is substituted or unsubstituted, or (2) R.sup.1 and R.sup.2 are cyclized to make a heterocycle containing amino group represented by the formula ##STR3## wherein X represents a nitrogen atom or a methine and Y represents a hydrogen atom, an alkyl group of 1 to 6 carbon atoms or a phenyl group, and a pharmaceutical composition containing the same.
This is a division of application Ser. No. 07/432,350, filed Nov. 6, 1989, now abandoned which is a continuation of Ser. No. 07/116,975 filed Nov. 5, 1987 now abandoned, which is a continuation of Ser. No. 06/939,241 filed Dec. 8, 1986 now issued U.S. Pat. No. 4,725,598, which is a continuation of Ser. No. 06/649,720 filed Sep. 12, 1984, now abandoned.
