Volatile:SearchFL

Backbone Structure: 3-4th Digits (3-4桁)

List of Backbones
Aurone 1A	Auronol 1B	Chalcone 1C	Dihydrochalcone 1D	Flavanone 2F	Flavone 3F
Dihydroflavonol 4D	Flavonol 5F	Flavan 6F	Flavan 3-ol 63	Flavan 4-ol 64	Flavan diol 6D
Anthocyanin 7A	Desoxyanthocyanin 7D	Isoflavone IA	Isoflavanone IB	Isoflavan IC	Pterocarpane ID
Coumestan IE	Rotenoid IF	Coumaranochromone IG	Arylcoumarin IH	Arylbenzofuran II	Methoxynbenzoin IJ
Arylcoumarin NA	Arylchroman NB	Dalbergiquinol NC	Dalbergione ND	Neoflavene NE	Coumarinic acid NF

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Hydroxylation and Methylation: 5-6th Digits (5-6桁)

List of hydroxylation and methylation patterns for A- and B-rings
5th digit (R = H or CH3, R' = H or R)
A (standard)	B	C	D	E	F	G
1	2	3	4	9
6th digit (R' = H, OH, OCH3)
A	B	C	D	E	F	G
H	I	J	K	L	8	9
Other unusual patterns
QU: Quinone	HX: alpha-Hydroxy	HY: beta-Hydroxy	PT: Peltogynoid	RT: Retrocalchone	WX: Dehydro-backbone	RN: Additional rings
UN: Others

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Glycosylation: 7-9th Digits (7-9桁)

Patterns of glycosylation and other modifications
<H3>7th</H3>(Glycosylation)	No glycosylation N	O-glycoside G	C-glycoside C	O- and C- glycosides D
<H3>8th</H3>(Modification)	No modification S	alkylated M	prenylated I	cyclic-prenylated R
furano FL F	pyrano FL P	furano and pyrano FL D	phenylpropanoid N	others C
<H3>9th</H3>(Unusual atoms)	No inclusion 0	N-containing N	S-containing S	Halogen-containing H

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