you can export the price list with the product name, internal reference, and sale price by creating a custom report. This can be done by creating a new report template using the built-in report designer, or by creating a new report using the report module.

To create a custom report, you will need to create a new report record in the Odoo backend. This can be done by navigating to the Settings menu, then selecting Reports and clicking on Create. In the Model field, select the model that you want to export (e.g. product.template).

Once you have created the report, you will need to edit the template to include the fields that you want to export. You can do this by editing the QWeb template associated with the report. You can find the template by navigating to the Technical menu, then selecting Reports and clicking on the name of the report that you just created. Once you have located the template, you can add the fields that you want to export (e.g. Product Name, Internal Reference, and Sale Price) to the template.

Once you have added the fields to the template, you can test the report by navigating to the list view of the model that you are exporting (e.g. Products), and selecting the records that you want to export. Then you can select Print, and choose the custom report you created.

Alternatively, you can use the "Export" button in the list view and choose the fields you want to export, make sure that you select the fields "Product Name", "Internal Reference" and "Sale Price" and then download the file.

It's important to note that the exact steps may vary depending on your specific version of Odoo and the customization on your instance.