(+)-1-((3S,4R)-3-hydroxy-2,2-dimethyl-6-(phenylsulfonyl)-4-chromanyl)-2-pyrrolidinone 132014-21-2 2-Pyrrolidinone, 1-(3,4-dihydro-3-hydroxy-2,2-dimethyl-6-(phenylsulfonyl)-2H-1-benzopyran-4-yl)-, (3S-trans)- Hoe 234 Rilmakalim Rilmakalim [INN] Rilmakalime [INN-French] Rilmakalimum [INN-Latin]