naxagolide [ 1,2,3,4a,5,6-hexahydro-9-hydroxy-4-n-propyl-4H-naphth(1,2-b)(1,4)oxazine,11C-PHNO,3,4,4A,5,6,10B-hexahydro-4-propyl-2H-naphth(1,2-B)(1,4)oxozin-9-ol,4-propyl-9-hydroxy-1,2,3,4a,5,6-hexahydronaphthoxazine,4-propyl-9-hydroxynaphthoxazine,N 0500,N-0500,dopazinol ] structure given in first source