2,3,5,6-Tetrahydro-3,3,5,5-tetramethyl-s-indacene-1,7-dione
CAS No. 55591-17-8
2,3,5,6-Tetrahydro-3,3,5,5-tetramethyl-s-indacene-1,7-dione
3-(4-甲酰基苯基)丙酸乙酯
1-溴-3-(1,1-二氟乙基)苯
&acirc 4454-19-7
4458-32-6 4458-32-6