226916-27-4

RSYY（Avanafil)-10 SPIRO[1,3-DIOXOLANE-2,6'(3'H)-NAPHTHO[2,3-C]FURAN]-9'-CARBOXYLIC (1'R,3a'R,4a'R,8a'R,9'S,9a'R)-1'-methyl-3'-oxodecahydro-1'H-spiro[[1,3]dioxolane-2,6'-naphtho[2,3-c]furan]-9'-carboxylic acid Spiro[1,3-dioxolane-2,6'(3'H)-naphtho[2,3-c]furan]-9'-carboxylic acid, decahydro-1'-methyl-3'-oxo-, (1'R,3'aR,4'aR,8'aR,9'S,9'aR)-