It will be green in colour rather than clear and contain caffeine which 7-Up does not. Underlining that it will be an alternative version of 7-up, it is to be called dnL, literally an upside-down version of the 7-up name.
US: 7-Up plans green offshoot
The US soft drinks producer, Dr Pepper/Seven Up, part of the drinks to sweet group, Cadbury Schweppes, is to add a new soft drink to its 7-up range in the autumn. The range extension is designed to cater for consumers' desire for new and original soft drinks choices but a strong link with the core 7-up brand is being retained, and in a most novel way.