X8A1N1T1H4E1N1E1S1
19 points
XANTHENES is validvalid
XANTHENE, a chemical compound [n]
XANTHENE, a white crystalline compound of carbon, hydrogen and oxygen, from which dyestuffs are derived [n]
XANTHENE, a chemical compound [n]
XANTHENE, a white crystalline compound of carbon, hydrogen and oxygen, from which dyestuffs are derived [n]