HCOOCH3 as a probe of temperature and structure in Orion-KL C. Favre, D. Despois, N. Brouillet, A. Baudry, F. Combes, M. Guélin, A. Wootten and G. Wlodarczak A&A, 532 (2011) A32 Published online: 18 July 2011 DOI: 10.1051/0004-6361/201015345