Tannic acid molecule (one isomer shown). Type of tannin.
Keywords
tannic,
acid,
tannin,
oak,
corrosion,
stain,
staining,
wood,
molecular,
atom,
atomic,
model,
molecular,
compound,
composition,
chemical,
chemistry,
bond,
structure,
formula,
circle,
circle,
skeletal,
line,
structural