Table 1.

Chemical structures of tested compounds from the heartwood of Dalbergia parviflora.

	No.	Isoflavones	R5	R6	R7	R2′	R3′	R4′	R5′
	1	Formononetin	H	H	OH	H	H	OMe	H
	2	Calycosin	H	H	OH	H	OH	OMe	H
	3	Biochanin A	OH	H	OH	H	H	OMe	H
	4	Genistein	OH	H	OH	H	H	OH	H
	5	Khrinone B	OH	H	OH	OH	H	OMe	OH
	6	3′-O-Methylorobol	OH	H	OH	H	OMe	OH	H
	7	Khrinone C	OH	H	OH	OMe	OH	OMe	H
	8	Tectorigenin	OH	OMe	OH	H	H	OH	H
	9	Cajanin	OH	H	OMe	OH	H	OH	H
	No.	Isoflavanones	R5	R6	R7	R2′	R3′	R4′	R5′
	10	(3R)-7,3′-Dihydroxy-4′-methoxy-isoflavanone	H	H	OH	H	OH	OMe	H
	11	Onogenin	H	H	OH	OMe	H	OCH2O
	12	Dalparvin	H	H	OH	OMe	H	OMe	OH
	13	Dalparvin B	H	H	OH	OH	OMe	OMe	H
	14	(3S)-Sativanone	H	H	OH	OMe	H	OMe	H
	15	(3R,S)-3′-O-Methylviolanone	H	H	OH	OMe	OMe	OMe	H
	16	(3R,S)-Kenusanone G	OH	H	OH	H	OH	OMe	H
	17	(3S)-Secundiflorol H	OH	H	OH	OMe	OH	OMe	H
	18	Dalparvin A	OH	H	OH	OMe	H	OMe	OH
	No.	Isoflavans	R6	R7	R8	R2′	R3′	R4′	R5′
	19	(3R)-Vestitol	H	OH	H	OH	H	OMe	H
	20	(3R)(+)-Mucronulatol	H	OH	H	OMe	OH	OMe	H
	21	(3R,S)-3′-Hydroxy-8-methoxy vestitol	H	OH	OMe	OH	OH	OMe	H
	22	Duartin	H	OH	OMe	OMe	OH	OMe	H
	23	(3S)-8-Demethylduartin	H	OH	OH	OMe	OH	OMe	H
	No.	Flavanones	R3	R5	R6	R7	R4′	R5′	R6′
	24	(2S)-Liquiritigenin	H	H	H	OH	OH	H	H
	25	(2S)-Naringenin	H	OH	H	OH	OH	H	H
	26	Alpinetin	H	OMe	H	OH	H	H	H
	No.	Pterocarpan	R5	R6	R7	R2′	R3′	R4′	R5′
	27	(6aR,11aR)-3,8-Dihydroxy-9-methoxy pterocarpan	H	H	OH	H	OH	OMe	H