Open Access

This article has an erratum: [https://doi.org/10.1051/0004-6361/201935428e]


Fig. 6

image

Same as Fig. 5 but for the molecular abundance relative to methanol. Sources where methanol is not detectedhave an empty panel. The colored boxes highlight three groups of sources defined on the basis of similarities in their chemical composition: group 1 in blue, group 2 in orange, and group 3 in magenta.

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