In the early days troubles were experienced with oscillation from the rod drive and with the transformers, but were overcome later, and these machines performed useful service until superseded by more modern locomotives less costly in maintenance.
He that is surety for a stranger shall smart for it.
He was a very dependable person.
Even though rhodium(II) prolinate derivatives are not effective at asymmetric cyclopropanation using the traditional diazoacetates as substrates, these catalysts give spectacular results with the vinyldiazomethane system.
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