Table 2.

Compounds identified in ethyl acetate extract of C. rubens by GC–MS analysis.

No.	R/T (min)	Name of Compound	Area (%)	M/F	M/W (g/mol)
1	3.097	3-Hepten-2-one	1.31	C7H12O	112
2	3.242	3-Ethoxypentane	6.21	C7H16O	116
3	3.532	1,1-Dimethylcyclopentane	11.45	C7H14	98
4	3.584	2-Ethyl-2-hexenal	6.43	C8H14O	126
5	3.683	2-Oxopentanedioic acid	20.47	C5H6O5	146
6	3.829	2-Trimethylsilyloxy-1,3-butadiene	1.66	C7H14OSi	142
7	4.113	Butanal	1.20	C4H8O	72
8	4.256	1-(3,4-Methylenedioxybenzylidene)semicarbazide	0.84	C9H9N3O3	207
9	4.735	(Z)-2-Buten-1-ol	1.00	C4H8O	72
10	4.781	([(E)-2-Cyclopropylethenyl]oxy)(trimethyl)silane	1.93	C8H16OSi	156
11	8.024	4,4-Dimethyl-8-methylene-2-propyl-1-oxaspiro[2.5]octane	1.28	C13H22O	194
12	9.029	1,1-Dimethylethylamine	0.26	C4H11N	73
13	12.775	1,1-Dimethyl-2-propynyl ethyl ether	0.11	C7H12O	112
14	13.125	1,1-Dimethylethylamine	0.22	C4H11N	73
15	13.285	1,1-Dimethyl-2-propynyl ethyl ether	1.25	C7H12O	112
16	13.662	2,3-Hexanediol	1.31	C6H14O2	118
17	14.163	2,3-Tetramethyleneaziridine	0.74	C6H11N	97
18	14.599	4-Ethylformanilide	1.02	C9H11NO	149
19	14.659	Methyl butyrate	0.38	C5H10O2	102
20	15.909	2-Acetylisoxazolidine	37.92	C5H9NO2	115
21	16.001	4-Ethylformanilide	0.90	C9H11NO	149
22	17.184	2,3-Hexanediol	2.10	C6H14O2	118

GM-MS analysis of EAECR revealed the presence of twenty-two (22) compounds, with their respective abundance (area), molecular formulae and weights.

M/F – Molecular formula, M/W – Molecular weight, R/T – Retention time.