2 4 6-trihydroxy benzene-1 3 5-tris carbaldehyde July 8, 2019 16 32 64 128 2 4 6-trihydroxybenzene-1 3 5-tricarbaldehyde 2 6-dihydroxybenzaldehyde 2 4-dihydroxy-6-methylbenzaldehyde 2 4 6-trinitrobenzaldehyde