Abstract:
This invention provides a compound having the formula: ##STR1## wherein R. sup. 1 and R. sup. 3 independently are hydrogen, --CHO, --COCH. sub. 3, --COR. sup. 7, --A--Ar--(Q). sub. z, etc. ; wherein D is a C. sub. 1-6 linear, C. sub. 3-8 branched or cyclic group having from 4 to about 15 atoms, consisting of C, etc. ; wherein D is unsubstituted or substituted with one or more groups independently selected from the group consisting of --OH, NH. sub. 2, --NHR. sub. 7, etc. ; wherein each Q is independently --CNH(NHY), --NHCNH(NHY), --SO. sub. 2 W, --SOW, etc. ; wherein Y is hydrogen, alkyl, alkenyl, --B--NH. sub. 2, --B--NHR. sup. 8, etc. ; wherein W is alkyl, alkenyl, --B--NH. sub. 2, etc. ; wherein A nd B independently are a bond, or a C. sub. 1-6 linear, C. sub.