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Melatonin is a hormone, released primarily by the pineal gland, that regulates the sleep–wake cycle. 3D ball-and-stick model, white background

Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration

Rendered Remdesivir molecule in 3D, an experimental drug from Gilead, used to cure the first case of 2019-nCoV in the United States (for a patient at Seattle, Washington). The model showed accurate atom connection and stereochemistry, which was professionally checked. Color symbols - light blue=carbon, red=oxygen, blue=nitrogen, white=hydrogen, green=phosphorus

Folic acid, folate molecule. It is known as vitamin B9. Molecular model. 3D rendering. Illustration

A molecular model of Bisphenol A or BPA. It is a common building block in the production of many epoxy resins and plastics including polycarbonate plastic. As such it is present in a huge range of food packaging and household products. There are now concerns about its health effects, particularly its effect on children, infants and fetuses. Isolated on white.

Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.

29 October Republic Day of Türkiye text on a red shiny sphere with a partial Turkish flag on white background. Easy to crop for all your print sizes and social media needs.

Chemical formula of Melatonin. Close-up.

Glucosamine (C6H13NO5) is an amino sugar. treatment for osteoarthritis. Chemical structure model: Ball and Stick + Balls + Space-Filling. 3D illustration.

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Dopamine ( DA) hormone molecule. Molecular model. 3D rendering. 3D illustration

Microcrystalline wax with chemical formula on white laboratory table.

Prednisone is a glucocorticoid medication mostly used to suppress the immune system and decrease inflammation in conditions such as asthma, COPD, and rheumatologic diseases.

Remdesivir is a broad-spectrum antiviral medication, it is a specific treatment for COVID-19. 3d illustration

Kainic acid or kainate molecule. It is neuroexcitatory amino acid. Molecular model. 3D rendering. Illustration

A molecular model of the plasticizer Dibutyl Phthalate or DBP. As a plasticizer it has been used in many products including adhesives, textiles, cosmetics and children's toys. There are now concerns about its health effects, particularly its effect on male health and behaviour. Isolated on white.

Chemical concept. Vitamin C. Ascorbic acid. Pharmacology. Cosmetology. Food industry. Photo. The substance is an antioxidant. Molecular formula of ascorbic acid.

Elbasvir is a drug approved by the FDA for the treatment of hepatitis C.

Chemical Formula of Cholesterol concept on Blackboard

Bottle of medical iodine and radiation sign on black background, color tone effect

Sildenafil molecule. It is drug for the treatment of erectile dysfunction. Molecular model. 3D rendering. Illustration

A molecular model of the flavonoid Quercetin. An antioxidant and anti-inflamatory, it is used as a nutritional suplement. It is commonly found in many fruits and vegetables and is a significant chemical component of tea. Isolated on white.

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