Dataset #%5BO%3A21%5D%5BCH2%3A22%5D%5BCH2%3A23%5D%5BCH2%3A24%5D%5BCH2%3A25%5D%5BCH2%3A26%5D%5BC%3A27%5D(%5BO%3A29%5D%5BCH3%3A30%5D