7-nitro-2, 3-dihydro-1H-cyclopenta[b]chromen-1-one

C₁₂H₉NO₄

Huo, Fang-JunSun, Yuan-QiangSu, JingChao, Jian-BinZhi, Hai-JuanYin, Cai-Xia

Organic letters (2009) 11, 21 4918-4921

a=6.0584(11)Å   b=19.717(4)Å   c=8.9513(16)Å

α=90.00°   β=98.257(4)°   γ=90.00°