23964-44-5 3,5-Dichloro-4-methoxybenzoic acid 2-isopropylidenehydrazide BRN 3084781 Benzoic acid, 3,5-dichloro-4-methoxy-, (1-methylethylidene)hydrazide Benzoic acid, 3,5-dichloro-4-methoxy-, 2-isopropylidenehydrazide