أي الأحماض التالية تتأين جزيئاً :
right to left O presubscript ٣ C H presubscript ٢ comma space O I C H space comma S H presubscript ٢
right to left space space O I C H comma space S H presubscript ٢ space comma space O presubscript ٣ N H
right to left O presubscript ٣ C H presubscript ٢ space comma space space S H presubscript ٢ comma space O presubscript ٣ N H
right to left O presubscript ٣ C space H presubscript ٢ comma space O I C H space comma space O presubscript ٣ N H