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. 2019 Jul 2;5(7):e02025. doi: 10.1016/j.heliyon.2019.e02025

Fig. 2.

Fig. 2

(A) IVM, (B) H2B1a -5-one, (C) fluorescent intermediate, (D) final fluorescent product; R1: a -L-oleandrosyl-a-L-oleandrosyloxy, R2: C2H5.