Supplier Page from Aladdin Scientific Corporation for (4-Acetylphenyl)urea
(S)-(+)-2,2-Dimethyl-5-oxo-1,3-dioxolane-4-acetic acid from Aladdin Scientific Corporation
1-Acetoxy-3-chloroacetone from Aladdin Scientific Corporation
6-Amino-5-iodonicotinic acid from Aladdin Scientific Corporation
ethyl 4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylate from Aladdin Scientific Corporation