1,3,5,7-tetramethyladamantane ADAMANTANE,TETRAMETHYL InChI=1/C14H24/c1-11-5-12(2)8-13(3,6-11)10-14(4,7-11)9-12/h5-10H2,1-4H tricyclo[3.3.1.1~3,7~]decane, 1,3,5,7-tetramethyl-