1054 - Unknown column 'p2c.products_id' in 'where clause'

select distinct p.products_id, pd.products_name, p.products_price, p.products_tax_class_id,p.products_shippingtime, p.products_image,p.products_vpe_status,p.products_vpe_value,p.products_vpe,p.products_fsk18, s.specials_new_products_price from products p, products_description pd, specials s where p.products_status = '1' and p.products_id = p2c.products_id and s.products_id = p.products_id and p.products_id = pd.products_id and pd.language_id = '1' and s.status = '1' order by s.specials_date_added DESC

[XT SQL Error]