SEARCH Articles Figures Tables 3- Anilino-5- 4- Anilino-2-carboxy-4 -chlor-3,6-dihydroxy 4-Anilino-2,5-dihydroxy-4 -methoxy 4-Anilino-2,5-dihydroxy-4 -methyl 4-Anilino-2-carboxy-3,6-dihydroxy 4-Anilino-2-carboxy-3,6-dihydroxy-4 -methyl 4-Anilino-4 -chlor-2,5-dihydroxy