* There's a spelling error: There might be a typo in the name. Perhaps it's a slightly different name, like "Codeine Jarabe."
* It's a regional product: It might be a product sold in a specific region or country that's not widely known.
* It's a colloquial name: It could be a nickname or slang term used in a specific community.
To help identify the product, please provide more context:
* Where did you encounter this term? (e.g., a website, a conversation, a label)
* What do you think it might be? (e.g., a medicine, a food item)
With more information, I can try to figure out what "Codeisan Jarabe" refers to.