Ligustrazine hydrochloride76494-51-4100 % similar Tetramethylpyrazine1124-11-475 % similar 2,3-Dimethylquinoxaline2379-55-740 % similar 2-Amino-4,5-dimethylthiazole hydrochloride71574-33-940 % similar 2,3,5-Trimethylpyrazine14667-55-136 % similar 3-Amino-6-methoxy-2-picoline hcl320577-63-734 % similar 2-Hydroxy-4,6-dimethylpyrimidine hydrochloride34289-60-633 % similar Dimethyl-1,2,5-oxadiazole4975-21-733 % similar 2,3-Dimethylpyrazine5910-89-433 % similar Amino pyrazole dihydrochloride197367-87-632 % similar 2,3-Dimethyl-5-ethylpyrazine15707-34-332 % similar 2,3,6-Trimethylquinoxaline17635-21-132 % similar 2,4,6-Trimethyl-1,3,5-triazine823-94-931 % similar 4-Methylimidazol-5-ylmethanolhydrochloride38585-62-531 % similar 2,4,5-Trimethylthiazole13623-11-530 % similar Trimethyloxazole20662-84-430 % similar