Write an article about the Upstream and Downstream products of 2-(2-HYDROXYETHYL)-3-METHYL-1-OXO-1,5-DIHYDROPYRIDO[1,2-A]BENZIMIDAZOLE-4-CARBONITRILE 2000 words in chemical industry Please reply with exactly 4 paragraphs and separate each paragraph with two new lines. The very last paragraph must start with the word "detect".
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