1 x $65.00
1 x $60.00
Certified Reference Standards...
化学名称: 2,2'-(11-Oxo-1,4,7,10-tetraazabicyclo[8.2.2]tetradecane-4,7-diyl)diacetic acid
微笑: O=C1CN(CCN2CC(O)=O)CCN1CCN(CC2)CC(O)=O