Assertion: carboxymethyl cellulose | /r/HasProperty | substituted at the c 2 and c 3 position
Facets:
value: regioselectively
type: MANNER
Source sentences:
text: (1997) prepared a series of 2,3-O-carboxymethyl celluloses (CMC’s), which were regioselectively substituted at the C 2 and C 3 position, and examined their water solubility.