Supplier Page from Aladdin Scientific Corporation for δ-HCH solution
(S)-(-)-7-[N-(1,3-Dithian-2-yl)methylamino]-7'-[bis(3,5-di-t-butylphenyl)phosphino]-2,2',3,3'-tetrahydro-1,1'-spirobindane from Aladdin Scientific Corporation
1,3,5-Trimethyl-4-(tributylstannyl)-1H-pyrazole from Aladdin Scientific Corporation
2,3,4-Trifluorobenzonitrile from Aladdin Scientific Corporation
6-chloro-5-methyl-1h-pyrimidin-4-one from Aladdin Scientific Corporation