methyl 2-[(2Z)-2-[4-amino-2-(cyanoamino)-6-oxo-pyrimidin-5-ylidene]hyd razinyl]benzoate;2-[[[4-Amino-2-(cyanoamino)-1,6-dihydro-6-oxopyrimidin]-5-yl]azo]benzoic acid methyl ester
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