Siheyuan: I Got a Full Grade in Chemistry, and the Country Begged Me to Come Out.

[Top chemistry + invisible poison + IQ crushing + powerful weapons of great powers] The top chemist of the 21st century has arrived! Who said killing requires a knife? There was a castor plant in the corner, and the toxin extracted from it caused a man to have his intestines pierced and his stomach rotten, making him unable to survive! A smear of mold on the stove, targeted culture, made Silly Zhu die suddenly and silently, and no cause of death was found! A few grams of powder under the bed, a chemical hallucination, made Jia Zhang see the King of Hell while laughing greedily! Forensic autopsy: It was all an accident! The birds are scared to death: There is a murderous ghost in the Lin family! Factory Director Wang Zhendong: Whoever dares to touch Lin Yan is digging up the roots of the steel rolling mill! High-level officials of the country: Protect forest workers at all costs, he is an unparalleled national scholar!