1-methyl-2,4,9-triphenylbenzo[f]arsindole

1-buta-2,3-dien-2-ylsulfonyl-4-methylbenzene

methyl 2-amino-2-oxoethanesulfonate

methyl 2-oxopropane-1-sulfonate

3-(4-甲氧基苯基)-1-甲基-1H-吡唑-5-羧酸乙酯