Siyang Rodenticide, the only manufacturer of C22H20O registered under China's REACH. C22H20O, CAS No. 56181-66-9, EC# 260-034-9.

Siyang Rodenticide, the only manufacturer of C22H20O registered under China's REACH. C22H20O, CAS No. 56181-66-9, EC# 260-034-9.

Siyang Rodenticide, the only manufacturer of C22H19BrO registered under China's REACH. C22H19BrO, CAS No. 56181-82-9, EC# 260-038-0.

Siyang rodenticide is a state designated rodenticide manufacturer in China, licensed to produce technical material brodifacoum, bromadiolone.
