1 x $65.00
1 x $60.00
Certified Reference Standards...
化学名称: 6-(Trifluoromethyl)-3,4,4a,9a-tetrahydro-1H-xanthene-1,9(2H)-dione
微笑: O=C1C2=CC=C(C(F)(F)F)C=C2OC3C1C(CCC3)=O