26,28-bis(prop-2-en-1-yloxy)pentacyclo[19.3.1.1~3,7~.1~9,13~.1~15,19~]octacosa-1(25),3(28),4,6,9(27),10,12,15(26),16,18,21,23-dodecaene-25,27-diol
CAS No. 7233-23-0