The compounds of the formula ##STR1## in which R represents the radical of the formula ##STR2## in which R.sub.1 represents lower alkyl and each of R.sub.2 and R.sub.3, independently of the other, represents hydrogen or lower alkyl, and salts thereof exhibit antidiabetic actions.
公式为##
STR1##的化合物,其中R代表公式##
STR2##的基团,其中R.sub.1代表较低的烷基,R.sub.2和R.sub.3各自独立地代表
氢或较低的烷基,以及其盐,具有抗糖尿病作用。