(+-)-1,6-Dimethyl-9-oxaergoline ethanedioate (1:1) (6aRS,10aRS)-4,6,6a,8,9,10a-Hexahydro-4,7-dimethyl-7H-indolo(3,4-gh)(1,4)benzoxazine oxalate 80917-59-5 9-Oxaergoline, 1,6-dimethyl-, (+-), ethanedioate (1:1)