“…I7-Diclzlor-23-methoxycarbony1-2,20-dioxa-4,6,8,14,16, 18,26,28-octaaznpentacyclo[ 19.3.i.l3~7.19~13. l'S~19]octacosa-I(25), 3,5,7(28), 9,11, I3(2 7),15,17, 19(26), 2 1,23- 6,171,3,165,1,164,6,151,4,136,6,132,6,129,7,121,5,120,5,119,0,114,9,52,s. C20H12C12NX04 Ber.…”