Exploring the volatile composition of comets C/2012 F6 (Lemmon) and C/2012 S1 (ISON) with ALMA Eva G. Bøgelund and Michiel R. Hogerheijde A&A, 604 (2017) A131 Published online: 25 August 2017 DOI: 10.1051/0004-6361/201629197