one half of the circle of each series received 0.01 ml of 0.05 % betamethasone valerate , 0.1 % triamcinolone acetonide and 0.01 % hydrocortisone 17-butyrate dissolved in isopropyl alcohol or ethanol and was covered with impermeable plastic .
C0022237
isopropyl alcohol
C0001962
ethanol