https://www.selleckchem.com/pr....oducts/molidustat-(b
tter-informed, self-efficacious VA decisions.Two new C29 steroids, xidaosterols A (1) and B (2), characterised by a common unusual α-keto-enol functionality bearing A-ring, together with three related known ones (3-5), were isolated from the South China Sea sponge Neopetrosia chaliniformis. Their structures were elucidated by extensive spectroscopic analyses and comparison with the spectral data reported in the literature, Xidaosterol B is an A-nor derivative of 1.Three undescribed prenylated benzoic acid derivatives ber
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