Table 4.

Phytochemical constituents identified in the methanol rhizome extract of Amomum nilgiricum using gas chromatography-mass spectrometry.

Sl. no	CAS	Name of the compound	Molecular formula	Molecular weight	Peak area (%)
1	617–35-6	Ethyl 2-oxopropanoate	C5H8O3	116.11	2.271
2	141–82-2	(1,3-13C2)propanedioic acid	C3H4O4	104.06	6.142
3	900,143–55-6	2-butyl-4-[(E)-pentadec-4-enyl]-1,3,2-dioxaborinan-5-amine	C22H44O2NB	365.4	18.518
4	766–20-1	2,4-dimethyl-1,3-dioxane	C6H12O2	116.16	12.222
5	900,270–67-7	5-amino-6-nitroso-1H-pyrimidine-2,4-dione	C4H4O3N4	156.1	9.325
6	900,129–98-9	(2R,4S,5S,6R)-3,8,9-trioxatricyclo[4.2.1.02,4]nonan-5-ol	C6H8O4	144.12	33.323
7	900,129–96-9	(1R,2S,4R,5R)-3,7,9-trioxatricyclo[4.2.1.02,4]nonan-5-ol	C6H8O4	144.12	3.300
8	900,129–98-0	(2S,4S,5R,6R)-3,8,9-trioxatricyclo[4.2.1.02,4]nonan-5-ol	C6H8O4	144.12	9.621
9	23,293–50-7	5-methylhex-3-yn-2-ol	C7H12O	112.17	2.818
10	74,367–37-6	Trimethylsilyl tetracosanoate	C27H56O2Si	440.8	2.460

CAS chemical abstract service, Sl. No. serial number.