1041-90-3 62-67-9 EINECS 213-868-2 Lethidrone Morphinan-3,6-alpha-diol, 17-allyl-7,8-didehydro-4,5-alpha-epoxy-, hydrobromide Morphinan-3,6-diol, 7,8-didehydro-4,5-epoxy-17-(2-propenyl)-, hydrobromide, (5-alpha,6-alpha)- N-Allylnormorphine hydrobromide Nalorphine bromide Nalorphine hydrobromide