1,4,7,10-Tetrakis(ethoxycarbonylmethyl)-1,4,7,10-tetraazacyclododecane 의 분자 구조, CAS 번호: 137076-50-7
1,4,7,10-Tetrakis(ethoxycarbonylmethyl)-1,4,7,10-tetraazacyclododecane 의 분자 구조, CAS 번호: 137076-50-71,4,7,10-Tetrakis(ethoxycarbonylmethyl)-1,4,7,10-tetraazacyclododecane 의 분자 구조, CAS 번호: 137076-50-7