FAUST I. The hot corino at the heart of the prototypical Class I protostar L1551 IRS5. - Bianchi, E; Chandler, C J; Ceccarelli, C; Codella, C; Sakai, N; López-Sepulcre, A; Maud, L T; Moellenbrock, G; Svoboda, B; Watanabe, Y; Sakai, T; Ménard, F; et al. (Monthly Notices of the Royal Astronomical Society: Letters, 2020)