Figure 2
From: Flavonoids and alkaloids from the rhizomes of Zephyranthes ajax Hort. and their cytotoxicity

Key HMBC (1H → 13C, arrows) correlations of 1.
From: Flavonoids and alkaloids from the rhizomes of Zephyranthes ajax Hort. and their cytotoxicity

Key HMBC (1H → 13C, arrows) correlations of 1.