252190-40-2
→
127972-61-6
2,2'-螺联[2H-茚]-1,1',3,3'-四酮
252190-39-9
127972-65-0
4372-32-1
1,3-diphenylpropane-2,2-dicarboxylic acid
597-55-7
diethyl 2,2-dibenzylpropanedioate
100-44-7
苄基氯
61895-27-0
N/A
40932-28-3
606-23-5
1,3-茚满二酮