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19 April 2011
- 23:3723:37, 19 April 2011 diff hist +145 Wikipedia:New contributors' help page/questions →Hemiacetals: new section
- 23:3423:34, 19 April 2011 diff hist −1,255 Hemiacetal →Reactions Tag: section blanking
- 23:3323:33, 19 April 2011 diff hist −885 Hemiacetal →Cyclic hemiacetals and hemiketals Tag: section blanking
- 23:3323:33, 19 April 2011 diff hist −296 Hemiacetal →Synthesis Tag: section blanking
- 23:3223:32, 19 April 2011 diff hist +24 Hemiacetal →Cyclic hemiacetals and hemiketals