The molecule is the arenesulfonate formed from 2-amino-6-chloro-4-(3-sulfoanilino)-1,3,5-triazine by loss of a proton from the 3-sulfoanilino moiety. It is an arenesulfonate oxoanion and a diamino-1,3,5-triazine. It is a conjugate base of a 2-amino-6-chloro-4-(3-sulfoanilino)-1,3,5-triazine.
3-[(4-amino-6-chloro-1,3,5-triazin-2-yl)amino]benzenesulfonate