4-Dimethylaminobenzoesure 4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzoesaeure 3',6'-Dihydroxy-5(oder 6)-isothiocyanatospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-on 2-Chlor-4-nitrobenzoesure Ethyl-4-isocyanatobenzoat 3-Methyl-4-nitrobenzylalkohol 3-Methoxy-4-nitrobenzylalkohol 4-(Diethylamino)benzoesure 4-Nitrophthalsureanhydrid 4-Nitro-m-toluylsure 6-Amino-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-on 4-Nitrophthalsure 4-Methylaminobenzoesaeure Acedoben 3,4-Dinitrobenzylalkohol