Supplier Page from Aladdin Scientific Corporation for 2,4,5-Trihydroxybenzaldehyde
2,2-Dimethyl-1,3-dioxacyclohept-5-ene from Aladdin Scientific Corporation
3-Chloro-4-methylbenzene-1-sulfonyl chloride from Aladdin Scientific Corporation
4-(Dimethylamino)phenyl isocyanate from Aladdin Scientific Corporation
N1,N1-Dimethylbenzene-1,3-diamine from Aladdin Scientific Corporation