2,3,4-Trihydroxy-4-sulfoazobenzene
CAS No. 64789-21-5
2,3,4-Trihydroxy-4-sulfoazobenzene;2,3,4-Trihydroxyazobenzene-4-sulfonic acid;4-(2,3,4-Trihydroxyphenylazo)benzenesulfonic acid