58483-99-1
2-amino-5,6-dimethyl-nicotinamide
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51727-05-0
5,6-二甲基-3-羧基-2-吡啶酮
82756-27-2
2-amino-5,6-dimethyl-nicotinic acid
76544-67-7
2-amino-5,6-dimethyl-nicotinic acid ethyl ester
72716-80-4
2-羟基-3-氰基-5,6-二甲基吡啶
90007-21-9
2-hydroxy-5,6-dimethyl-nicotinic acid amide
22428-91-7
2-methyl-3-oxobutanal