imidazolidinyl urea molecule 3d, molecular structure, ball and stick model, structural chemical formula antimicrobial preservative

imidazolidinyl urea antimicrobial preservative formaldehyde releaser molecule molecular structure chemical formula model c11h16n8o8 atom chemistry dermatitis cosmetic icon carbon oxygen atomic hydrogen skeletal flat composition shampoo skin care illustration imidurea allergy compound allergic patch science test structural allergen nitrogen organic scientific drawing line sensitizer ball stick preservative