5-Hydroxy-6-nitronicotinic acid
2-Amino-5-nitronicotinic acid
4-Hydroxy-5-nitronicotinic acid
6-Amino-5-nitronicotinic acid
2-Nitronicotinic acid
2-Bromo-5-nitronicotinic acid
2-Methoxy-5-nitronicotinic acid
6-Hydroxy-5-nitronicotinic acid
6-Chloro-5-nitronicotinic acid
2-Chloro-5-nitronicotinic acid
