16839-98-8 Benzeneacetic acid, alpha-(hydroxymethyl)-, (3-endo)-8-azabicyclo(3.2.1)oct-3-yl ester Benzeneacetic acid, alpha-(hydroxymethyl)-, 8-azabicyclo(3.2.1)oct-3-yl ester, endo-(+-)- Noratropine Norhyoscyamine