C3H4R1O1M3O1G2E1N1S1
18 points
CHROMOGENS is validvalid
CHROMOGEN, [n]
CHROMOGEN, a substance which can be converted to a dyestuff by the introduction of a polar group [n]
CHROMOGEN, [n]
CHROMOGEN, a substance which can be converted to a dyestuff by the introduction of a polar group [n]