| 6-ethyl-ergoline-8-beta-carboxylic aci methyl ester |
| 6-ethyl-6-nor-9,10-dihydrolysergic acid methyl ester |
| 6-ethylergoline-8-beta-carboxylic acid methyl ester |
| 6-nor-6-ethyl-9,10-dihydrolysergic acid methyl ester |
| 6-ethyl-ergoline-8-beta-carboxylic aci methylester |
