
Vinyl sulfone ester of Acetanilide (PARA BASE)
Vinyl sulfone ester of Ortho Anisidine (OAVS)
Vinyl sulfone ester of Bronner's Acid (BRONNER'S VS)
Vinyl sulfone ester of 2,5-Dimethoxy Aniline (DMAVS)
Vinyl sulfone ester of Para Cresidine (PCVS)
Sulfo para base ester
Para Amino Acetanilide-3-Sulfonic Acid (ACETYL PPDOSA )
Para Amino Acetanilide-2-Sulfonic Acid
Para Phenylene Diamine Di sulphonic Acid (PPDDSA)
Para phenylene diamine ortho sulfonic acid (PPDOSA)