Complex sentence: Unable to expand the brand and attract enough financial backers, the company had begun to struggle by 1986, although it continued to sell its B-basic line via the stall on Camden Market into the' 90s.
Split into simpler sentences: Unable to expand the brand and attract enough financial backers, the company had begun to struggle by 1986. It continued to sell its B-basic line via the stall on Camden Market into the' 90s.