What is the definition of 1991. Benzaldehyde, 2 [(5 Oxohexyl)oxy] ?

Alright, let's break down this fancy molecule, '1991. Benzaldehyde,' like a chemical superhero with an unnaturally long name and a secret identity as a 2-oxohexyl ester of benzaldehyde! Imagine if every time you tried to pronounce it, it would suddenly start saying, "Benz-alde-hyoo-hee-eh-lye!" And then, instead of being a sweet-smelling scent from almonds (which is where 'Benzaldehyde' gets its name), it's like a molecular version of, "I'm here to steal your perfume and make you feel like you're in a sci-fi movie!"

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Now, here's an unsettling example sentence using our chemical hero: "As I locked the door to my secret lair, I smelled a whiff of '1991. Benzaldehyde' wafting out, like a bad hair day in a lab coat, and wondered if my superhero alter ego had decided to switch its scent profile for a day."