87995-79-7
trans-3-(1,3-Diphenyl-2-pyrazolin-5-yl)acrylsaeure-methylester
→
~60%
87995-91-3
methyl 3-(2,5-diphenylpyrazol-3-yl)prop-2-enoate
964-42-1
1,3-二苯基-1H-吡唑-5-羧酸