Table 1. Nontoxic Doses of 4a–4c, 6a–6f, and 8a–8d Compounds on FRHK-4, Hep2, BGM, Vero, and Huh 7.5 Cell Lines.

nontoxic dose (μg/mL)
compd. no.	FRHK4	Hep2	BGM	Vero	Huh 7.5
4a	90	90	90	90	90
4b	80	80	70	80	70
4c	100	100	100	100	100
6a	90	90	90	90	90
6b	80	80	80	80	90
6c	100	100	100	100	100
6d	100	100	100	100	100
6e	90	90	80	90	90
6f	90	90	90	100	90
8a	90	90	80	90	90
8b	80	80	80	80	80
8c	100	100	100	100	100
8d	90	90	90	100	90