石
돌 석, stone, rock, mineral; rad. 112 (5)
炭
숯 탄, 불똥 탄, 볶일 탄, charcoal; coal; carbon (9)
酸
초 산, tart, sour; acid; stiff; spoiled (14)
石炭酸
석탄산
carbolic acid
石炭酸
석탄산
phenol