setIcon(<crossroads:phial,nbt:{9_am:1.0}>)
setTitle("Sulfur Trioxide")
setDescription("Heat sulfur dioxide in a flask with vanadium oxide to make sulfur trioxide")
setParent("alchemy:sulfur_dioxide")
setParent("alchemy:vanadium_oxide")

criteria = addCriteria("flask", "minecraft:inventory_changed")
criteria.addItem(<crossroads:florence_flask,nbt:{9_am:1.0~500.0}>)
criteria = addCriteria("phial", "minecraft:inventory_changed")
criteria.addItem(<crossroads:phial,nbt:{9_am:1.0~25.0}>)

setRequirements("any")
setPos(130,54)