TY - RPRT TI - 1,1' diacetyl-1,1'-dihydro-4,4' bipyridine and the yellow and colorless modifications of 1,1'-diacetyl-1,1',4,4'-tetrahydro-4,4' bipyridine AU - A.T. Nielsen AU - D. W. Moore AU - G.M. Muha AU - K. Highberg PY - 2002 DO - 10.1021/jo01031a016 UR - https://pubs.usgs.gov/publication/1007574 ID - 1007574 ER -