Fuente A, Goicoechea JR, Pety J, Le Gal R, art\'ın-Doménech R, Gratier P, Guzmán V, Roueff E, Loison JC, Muñoz Caro GM, et al. First Detection of Interstellar S₂H. \apjl. 2017;851 (2) :L49.