2,7-Naphthalenedisulfonic acid,4-amino-6-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]sulfonyl]phenyl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-, sodium salt
CAS No. 388582-19-2
Calendulin 8006-42-6
CH3N5S.Na 84994-47-8