英文别名
                        4B,12b-dibutoxy-1,7,9,15-tetrahydroxy-3,11-dimethyl-4b,12b-dihydro-benzo[h]benzo[5,6]xantheno[2,1,9,8-klmna]xanthene-8,16-dione;4B,12b-dibutoxy-1,7,9,15-tetrahydroxy-3,11-dimethyl-4b,12b-dihydro-benzo[h]benzo[5,6]xantheno[2,1,9,8-klmna]xanthen-8,16-dion