GOYENCHEM-AE AE-活性酯 MAEM CAS No.80756-85-0 GOYENCHEM-ATMAA 氨噻肟酸ATMAA CAS No.65872-41-5 GOYENCHEM-PEG 聚乙二醇Polyethylene Glycol CAS No.: 25322-68-3 三嗪環 Triazinyl Circle CAS No.58909-39-0
