Supplier Page from Aladdin Scientific Corporation for δ-HCH solution
3-Bromomethylbenzonitrile from Aladdin Scientific Corporation
3-Chloro-4-methylbenzene-1-sulfonyl chloride from Aladdin Scientific Corporation
4-Benzoylbutyric Acid from Aladdin Scientific Corporation
Ethyl (4-bromobenzoyl)acetate from Aladdin Scientific Corporation