8a-oxo-4-hydroxy avermectin B1a

8a-oxo-4-hydroxy avermectin B1a, term code RF-00005891-PAR of the EFSA Harmonized terminology for scientific research. IDENTIFIERS: IUPAC name: (2aE,4Z,5'S,6S,6'R,7S,8Z,11R,13S,15S,20S,20aR,20bR)-6'-[(2S)-butan-2-yl]-19,20,20b-trihydroxy-5',6,8,19-tetramethyl-2,17-dioxo-5',6,6',10,11,14,15,17,19,20,20a,20b-dodecahydro-2H,7H-spiro[11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13,2'-pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-a-L-arabino-hexopyranosyl)-3-O-methyl-a-L-arabino-hexopyranoside. Chemical formula: C48H70O16. Simplified molecular-input line-entry system (SMILES) notation: CO[C@H]1CC@@HO[C@@H]2C@@HCC@@HO[C@@H]3C(C)=CC[C@@H]6CC@HC[C@@]7(O6)C=CC@HC@HC@@HCC. International Chemical Identifier (InChITM): InChI=1S/C48H70O16/c1-11-24(2)40-27(5)17-18-47(64-40)22-31-19-30(63-47)16-15-26(4)39(60-37-21-35(56-10)41(29(7)58-37)61-36-20-34(55-9)38(49)28(6)57-36)25(3)13-12-14-32-44(51)62-43-42(50)46(8,53)23-33(45(52)59-31)48(32,43)54/h12-15,17-18,23-25,27-31,34-43,49-50,53-54H,11,16,19-22H2,1-10H3/b13-12-,26-15-,32-14-/t24-,25-,27-,28-,29-,30+,31?,34-,35-,36-,37-,38-,39-,40+,41-,42-,43+,46?,47+,48+/m0/s1.