Avermectin B1a, delta-8,9 isomer

The compound Avermectin B1a, delta-8,9 isomer, term code RF-0011-002-PPP of the EFSA Harmonized terminology for scientific research. IDENTIFIERS: IUPAC name: (2aZ,4Z,5'S,6S,6'R,11R,13S,15S,20R,20aR,20bS)-6'-(butan-2-yl)-20,20b-dihydroxy-5',6,8,19-tetramethyl-17-oxo-5',6,6',10,11,14,15,17,17a,20,20a,20b-dodecahydro-2H,7H-spiro[11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13,2'-pyran]-7-yl 2,6-dideo. Chemical Abstracts Service (CAS) number: 113665-89-7. Chemical formula: C48H72O14. Simplified molecular-input line-entry system (SMILES) notation: [C@]\15(O)[C@@H]6OCC1=C\C=C[C@@H](C(OC3OC(C(OC2OC(C(O)C(OC)C2)C)C(OC)C3)C)C(=C/C[C@H]7O[C@]4(OC@@HC(CC)C)CC@@HC7)/C)C. International Chemical Identifier (InChITM): InChI=1S/C48H72O14/c1-11-25(2)43-28(5)17-18-47(62-43)23-34-20-33(61-47)16-15-27(4)42(26(3)13-12-14-32-24-55-45-40(49)29(6)19-35(46(51)58-34)48(32,45)52)59-39-22-37(54-10)44(31(8)57-39)60-38-21-36(53-9)41(50)30(7)56-38/h12-15,17-19,25-26,28,30-31,33-45,49-50,52H,11,16,20-24H2,1-10H3/b13-12+,27-15+,32-14+/t25?,26-,28-,30?,31?,33+,34-,35?,36?,37?,38?,39?,40+,41?,42?,43+,44?,45+,47+,48+/m0/s1.