Comparison to O-bearing organic molecules observed in comets remotely as reviewed by Biver & Bockelée-Morvan (2019). Cometary abundance data from Biver & Bockelée-Morvan (2019) were renormalized from water to methanol. In addition to ranges for both JFCs and OCCs, the values for the long-period OCC C/2014 Q2 (Lovejoy) are also included because glycolaldehyde was detected in this comet for the first time (Biver et al. 2015). The OCC and JFC ranges for CO₂ were taken from Harrington Pinto et al. (2022) and were normalized with the respective average value of methanol from Dello Russo et al. (2016). Dynamically new comets were not considered. Left-pointing arrows indicate upper limits that have been derived from non-detections of the respective species.