4,5,6,7-四氫-1,3-異苯并呋喃二酮;轉位四氫苯酐;3,4,5,6-四氫苯酐;四氫鄰苯二甲酸酐[含馬來酐＞0.05%];四氫酞酐;3,4,5,6-四氫苯甲酸酐;3,4,5,6-四氫苯二甲酸酐;
3,4,5,6-Tetrahydrophthalic anhydride
1,3-Isobenzofurandione, 4,5,6,7-tetrahydro-;3,4,5,6-tetrahydrophthalicacidanhydride;4,5,6,7-Tetrahydro-1,3-isobenzofurandione;4,5,6,7-Tetrahydro-2-benzofuran-1,3-dione;CYCLOHEXENE-1,2-DICARBOXYLIC ANHYDRIDE;1-CYCLOHEXENE-1,2-DICARBOXYLIC ANHYDRIDE;3,4,5,6-THPA;3,4,5,6-TETRAHYDROPHTHALIC ANHYDRIDE
