Yes, the RUS support does seem to have switched, they were supporting DE Greens in the past, not sure why the change, haven't followed it closely enough. Maybe damage (to nuke industry) already done, and they needed to amp up support for importing fossil fuels, which wouldn't be credible for Greens to support. As far as I can tell, it's all opportunistic, laying groundwork for whatever might work in their favor. Since I don't have copies of the checks, it is also possible that the Greens merely played the role of Useful Idiots (in the V. Lenin definition) and happily helped with RUS goals.