99646-13-6 (1R,6S,7S,11bR)-1,7-bis(4-hydroxyphenyl)-1,6,7,11b-tetrahydro-2-oxadibenzo[cd,h]azulene-4,6,8,10-tetrol 7233-78-5 2,8,14,20-tetrathiapentacyclo[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-25,26,27,28-tetrol