Crystal structure of octahydro-7aR,8 ' R-dimethylspiro[isobenzofuran-4(1H), 4 ' (3 ' H)[1H-7,9a]rnethanocyclohepta[c]pyran]-1 ',3, 9 ' (3aH,4 ' aH)-trione, C20H26O5

He, K; Wang, YX; Ye, JH; Zou, J; Zhao, W; Zhang, JJ; Zhang, JY

ZEITSCHRIFT FUR KRISTALLOGRAPHIE-NEW CRYSTAL STRUCTURES, 2020; 235 (4): 975