上游原料
Aniline; PhenylamineDimethyl acetylenedicarboxylate; Dimethyl 2-butynedioate;Acetylenedicarboxylic acid dimethyl esterbiacetyl2,2,7,7-tetramethyl-4,5-dimethylene-3,6-dioxa-2,7-disilaoctane; 1-methylene-2-[(trimethylsilyl)oxy]-2-propenyl trimethylsilyl etherdimethyl 4,5-bis[(trimethylsilyl)oxy]-1,4-cyclohexadiene-1,2-dicarboxylatedimethyl 4,5-dianilinophthalate5,6-dianilino-2-benzofuran-1,3-dione
