B3U1T1E1N1E1S1
9 points
BUTENES is validvalid
BUTENE, butylene [n]
BUTENE, any one of three metameric hydrocarbons of the ethylene series, also BUTYLENE [n]
BUTENE, butylene [n]
BUTENE, any one of three metameric hydrocarbons of the ethylene series, also BUTYLENE [n]