Two different products from the reaction of 1-aryl-5-chloro-3-methyl-1H-pyrazole-4-carbaldehyde with cyclohexylamine when the aryl substituent is phenyl or pyridin-2-yl: Hydrogen-bonded sheets versus dimers

1. Orrego Hernandez, J.
2. Portilla, J.
3. Cobo, J.
4. Glidewell, C.