Key points are not available for this paper at this time.
Charles R. McKay, David Jay Hartzband, Propylene Phenoxetol: Narcotic Agent for Unsorted Benthic Invertebrates, Transactions of the American Microscopical Society, Vol. 89, No. 1 (Jan., 1970), pp. 53-54
McKay et al. (Thu,) studied this question.