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四甲基代-1,4-亚苯基
chem. durylene; tetramethyl-p-phenylene
2,3,5,6-四甲亚苯基
chem. tetramethyl phenylene
四甲 -1,4-亚苯基
: 13 phrases in 4 subjects
Chemistry5
General1
Plastics6
Technology1