3371991952
2881489226

3007522982

3003949364

3985448220

3003871136

3003871136

3007522982

3985448220

2852351983

3985448220

3003871136

3003949364

3007522982

2719989356

1226360695

3003871136

3007522982

3003871136

3985448220

![(6R,7R)-7-氨基-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-羧酸二苯酯CAS号36923-21-4](http://hg.y866.cn/compound/lib/scimg/cas/0/36923-21-4.png)