What an interesting hypothesis, the search to find a viable alternative for a senses pleasing, animal pheromone. I wonder if your theory could perhaps trickle down to perhaps include the common house cat (domestic) or possibly even the dog? As we know that they emit similar attractants, could it not be possible to consider their pheromones as a source of investigation? Is not the “cat”, in particular, of the same species as the civet? I don’t know the particluar species or genus but it would appear, at surface level, to be within the realm of feasibility. Who knows, we may have the answer to this dilemma as close to us as an “arm’s length” as we search to discover a viable alternative. Frank