2-Chloro-5-(chloromethyl)thiophene23784-96-540 % similar Clothianidin210880-92-536 % similar 2-Chloro-5-(chloromethyl)pyridine70258-18-333 % similar Thiamethoxam153719-23-432 % similar 2-Chlorothiazole3034-52-431 % similar 5-(Chloromethyl)pyrimidine101346-02-530 % similar