https://www.reg4all.org/shop/abx188258-02-2-hydroxy-4-nitrobenzaldehyde-361247
2-Hydroxy-4-Nitrobenzaldehyde | CGseq
hydroxynitrobenzaldehyde
https://research-portal.st-andrews.ac.uk/en/publications/three-isomeric-e-nitrobenzaldehyde-nitrophenylhydrazones-chains-o/
Three isomeric (E)-nitrobenzaldehyde nitrophenylhydrazones: chains of rings in isomorphous...
rings inthreeisomericnitrobenzaldehydechains