抄録
The petroleum ether extracts of depolymerized Tempoku coal were analysed by gas chromatography . The principal peak detected were 9-methoxyphenyl xanthene, 2-methoxyphenyl benzofuran, dimethoxy diphenylmethan, dimethoxydibenzyl and xanthone.
The most abundant derivative of these compounds was 9-(4-methoxyphenyl)-xanthene. Total number of separated peaks was 35.