1-(2-Chlorophenyl)-3,4-dimethylpyrano[2,3-c]pyrazol-6(1H)-one 99%
C889084 / 250MG
CAS No.:85094-16-2
1-(3-Chlorophenyl)-3,4-dimethylpyrano[2,3-c]pyrazol-6(1H)-one 99%
C889088 / 250MG
CAS No.:96138-46-4