label: 2 alpha-isomaltosyl-(1->4)-D-maltotriose = alpha-isomaltosyl-(1->3)-alpha-isomaltosyl-(1->4)-D-maltotriose + D-maltotriose
label_lc: 2 alpha-isomaltosyl-(1->4)-d-maltotriose = alpha-isomaltosyl-(1->3)-alpha-isomaltosyl-(1->4)-d-maltotriose + d-maltotriose