(16E)-11-[2-(1-Pyrrolidinyl)ethoxy]-14,19-dioxa-5,7,27-triazatetracyclo[19.3.1.12,6.18,12]heptacosa-1(25),2,4,6(27),8,10,12(26),16,21,23-decaene [937272-79-2] 97%