首页>
外国专利>
method for protecting organic material from the effects of ultraviolet radiation using asymmetric oxalic acid - diarylamiden, thus formed the protected material.and a method for preparation of oxalic acid - diarylamiden.
method for protecting organic material from the effects of ultraviolet radiation using asymmetric oxalic acid - diarylamiden, thus formed the protected material.and a method for preparation of oxalic acid - diarylamiden.
