2-Chloro-4-methyl-3-nitropyridine (CAS # 23056-39-5)
Txawm hais tias koj xav tau nws rau kev ua haujlwm lossis kev lom zem
Sau koj cov lus ntawm no thiab xa tuaj rau peb
Txawm hais tias koj xav tau nws rau kev ua haujlwm lossis kev lom zem