Heart Equation Acrylic Keychain

Welcome to KazahanaLab, Kazahana's science and engineering merchandise. Even if the structural formula seems unfamiliar, it might be a substance you recognize from everyday life! Is math important for romance? Introducing acrylic keychains featuring mathematical formulas! You can change the metal fitting to your preferred type free of charge. --- ・Lineup Carrot (Carotene) Tomato (Lycopene) Eggplant (Anthocyanin) Spinach (Oxalic acid) Apple (Malic acid) Lemon (Limonene) Coffee (Caffeine) Soy Milk (Isoflavone) Heart Equation Ramune (Glucose) Edamame (Folic acid) If an item is out of stock, it will be made to order. ・Size Acrylic part approx. 5cm (Size varies by design) --- *Colors and designs may be revised with each submission. Please note that there may be slight differences from the photos depending on the production batch. *As we are not chemistry experts, we may not be able to answer specialized questions.