1 7MT Tb-xo4 1.000 2 K93 12-oxidanyl-9,11$L^{3}-dioxa-1$L^{4},19$L^{4},22,27$L^{4},28$L^{4}-pentaza-10$L^{6}-lutetaoctacyclo[17.5.2.1^{3,7}.1^{10,13}.0^{1,10}.0^{10,19}.0^{10,28}.0^{17,27}]octacosa-3,5,7(28),11,13,15,17(27)-heptaen-8-one 0.935 3 WRT Tbxo4-oh 0.882