18253-58-2 21666-86-4 57491-36-8 D-Gluconic acid, compd. with (9S)-10,11-dihydro-6'-methoxycinchonan-9-ol (1:1) (9CI) Dihydroquinidine gluconate EINECS 244-519-2 Gluconic acid, D-, compd. with hydroquinidine (1:1) Hydroquinidine gluconate