 Another highly successful and profitable Hässle product was Losec against gastroesophageal conditions, introduced in 1988.A drug which hadn't been developed by Astra, but that the company distributed in Sweden under its own name under the designation Neurosedyn, which was a prescription-free sedative.It was developed in Germany by Grünenthal under the name Contergan and was also sold under the name Thalidomide in other countries.