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. 2023 Nov 22;61(1):1484–1511. doi: 10.1080/13880209.2023.2280253
Inline graphic
  R1 R2 R3
41 H H H
42 H H Ac
43 H OMe Ac
44 Me H Ac
45 H H Ac
46 H H H
47 Me OH H
48 H OH Ac
49 H OH H
50 Me OH H
51 Me OH Ac
52 H OMe Ac