No. None. The London system is the least aggressive, most closed opening. Inevitably all the pieces get traded off and an equal endgame is reached. There are no tactics, no attacks, sacrifices, or anything interesting. The only reason anyone plays it is to try to bore their opponent into submission.
And here comes again the sicilian refutation kid with his inmense knowledge
You asked for a specific line in a specific opening. That's not a broad question.