6-Amino-3-methyl-4-(3-pyridinyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile

6-Amino-3-methyl-4-(3-pyridinyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile is used in the synthesis of chromene and pyrano[2,3-c] pyrazole derivatives which possesses molluscicidal activity.