10-hydroxy-2-oxatricyclo[13.2.2.1~3,7~]icosa-1(17),3(20),4,6,15,18-hexaen-4-yl hexopyranoside 2-Hydroxymethyl-6-(10-hydroxy-2-oxa-tricyclo[13.2.2.1^(3,7)]icosa-1(18),3(20),4,6,15(19),16-hexaen-4-yloxy)-tetrahydro-pyran-3,4,5-triol Aceroside B1 InChI=1/C25H32O8/c26-14-21-22(28)23(29)24(30)25(33-21)32-19-12-8-16-5-9-17(27)4-2-1-3-15-6-10-18(11-7-15)31-20(19)13-16/h6-8,10-13,17,21-30H,1-5,9,14H2/t17-,21?,22?,23?,24?,25?/m1/s hexopyranoside, (10R)-10-hydroxy-2-oxatricyclo[13.2.2.1~3,7~]eicosa-3,5,7(20),15,17,18-hexaen-4-yl