33%三乙烯二胺的一缩二丙二醇溶液33% Triethylenediamine In Dipropylene Glycol TEDA CAS280-57-9 -

33%三乙烯二胺的一缩二丙二醇溶液33% Triethylenediamine In Dipropylene Glycol TEDA CAS280-57-9