what looks like the way to do it is to use the perfume immune on the tank, and point apothecary hummel away from the raid as he spits perfume spray that does a ton of dmg, put the cologne immune on your group, which makes apothecary baxter a whelp. Then nuke Apothecary Frye, as he just runs around. Turns out the adds dont do too much damage, and die fast to aoe. Once 2 of the bosses are down its easy from there. Tank still takes a lot of damage, when 2 apothecaries are spewing on him the tank can only be immune to one of them. Without immunity my tank died in 3 seconds...