X-shooter spectrum of SN 2020zbf at +4.3 days after maximum light. The spectrum is corrected for MW extinction and is smoothed using a Savitzky-Golay filter. The original spectrum is shown in lighter colors. The most conspicuous features are labeled. Uncertain line identifications are denoted with question marks. The ions beneath the spectrum are shown at v = 0, whilst those above have been shifted to match the absorption component.