benzophenone molecule. stylized 2d renderings and conventional skeletal formula.

benzophenone molecule stylized 2d renderings conventional skeletal formula benzophenon benzofenone benzofenon ph2co diphenylmethanone diarylketone uv curing ultraviolet photo initiator photosensitizer photochemistry sunscreen peek allergen additive hydrogen carbon oxygen atoms atomic model molecular compound composition chemical chemistry bond structure circle ring line drawing vector