Found 1 items, similar to C7H7NO3.
English → English (gcide)
Definition: C7H7NO3
Orcein
\Or"ce*in\, n. (Chem.)
A reddish brown amorphous dyestuff,
C7H7NO3, obtained from
orcin, and forming the essential coloring matter of cudbear
and archil. It is closely related to litmus.
[1913 Webster]