1-alpha-H,5-alpha-H-Tropan-3-alpha-ol, 5-(p-nitrophenyl)-2-furoate 2-Furoic acid, 5-(p-nitrophenyl)-, 1-alpha-H,5-alpha-H-tropan-3-alpha-yl ester 5-(p-Nitrophenyl)furan-2-carboxylic acid, 1-alpha-H,5-alpha-H-tropan-3-alpha-yl ester 63191-93-5