Zoom-in of Fig. A.1 to enlight selected emission lines of S-bearing species: Comparison (in flux density scale) of the 3mm spectrum as observed using the IRAM 30-m antenna (grey; in the ASAI LP context Lefloch et al. (2018)) and that extracted from the present NOEMA SOLIS maps (red) from a circular region equal to the IRAM 30-m HPBW (25′′ at 100 GHz, 29′′ at 84 GHz). The ASAI spectrum has been smoothed to match the SOLIS velocity resolution (2 MHz, see Sect. 3). Red labels indicate the S-bearing species analyzed in this paper (see Table 1).