What is the definition of 1642. N (2,4 Dinitrophenyl)glycyl L Leucine?

Ah, let's dive into the molecular world of '1642. N (2,4 Dinitrophenyl)glycyl L leucine; 675587 89 0.' Picture this: a molecule so named it's as if it were trying to explain why the universe is a bit too quirky to our everyday logic. It's got two 'glycyl' cousins, like twin peanut butter buddies in a cheese sandwich, and it's all tied together with a 2,4 Dinitrophenyl group - think of it as the universe's superhero cape, but instead of a cape, it's a little nitro group doing double duty. It's so specific, it's like a chef using the exact right seasoning for one dish and accidentally throwing a whole kitchen party.

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Now, here's an edgy example sentence using this molecular moniker: "The detective's suspicions were as high as the 1642. N (2,4 Dinitrophenyl)glycyl L leucine; 675587 89 0 would be the lead suspect in my case, but I'd have to admit, it's a bit like solving a mystery with a spoonful of molecular chaos."