"5,5'-二氨基-2,2'-联吡啶"
"5,5'-二氨基-2,2'-联吡啶"
"5,5'-二氨基-2,2'-联吡啶"
5,5'-二氨基-2,2'-联吡啶
5,5'-二氨基-2,2'-联吡啶
2,2'-bipyridine-5,5'-diamine
2,2'-bipyridine-5,5'-diamine
2,2'-bipyridine-5,5'-diamine
2,2'-bipyridine-5,5'-diamine
2,2'-bipyridine-5,5'-diamine
2,2'-bipyridine-5,5'-diamine