beta-nicotinamide D-riboside(out) => beta-nicotinamide D-riboside(in)
beta-nicotinamide d-riboside(out) => beta-nicotinamide d-riboside(in)
beta-nicotinamide D-riboside(out) => beta-nicotinamide D-riboside(in)
beta-nicotinamide d-riboside(out) => beta-nicotinamide d-riboside(in)