where R, R' and R are all carbon backbones.
An acetal can, under certain conditions, be converted back into a hemiacetal and an alcohol.
... Murray 1994 Rush 1995 Buffy Sainte-Marie[?] 1996 David Clayton-Thomas[?] 1996 Denny Doherty[?] 1996 John Kay[?] 1996 Dominic Troiano[?] 1996 Zal Yanovsky ...