英文别名
(+/-)-(2ar,6ac)-2a,3,6,6a-tetrahydro-2H-spiro[3t,6t-etheno-cyclobutabenzene-1,2'-[1,3]dioxolane]-4,5-dicarboxylic acid dimethyl ester;(+/-)-(2ar,6ac)-2a,3,6,6a-Tetrahydro-2H-spiro[3t,6t-aetheno-cyclobutabenzen-1,2'-[1,3]dioxolan]-4,5-dicarbonsaeure-dimethylester