label: 5(E)-6,9-deoxa-6,9alpha-methylene-15-cyclopentyl-16,17,18,19,20-pentanor-PGI2 alpha-cyclodextrin clathrate
label_lc: 5(e)-6,9-deoxa-6,9alpha-methylene-15-cyclopentyl-16,17,18,19,20-pentanor-pgi2 alpha-cyclodextrin clathrate