Multivariate curve resolution – Alternating least squares applied to the investigation of ultrafast competitive photoreactions.

Highlights: [•] Femtosecond transient absorption spectroscopy investigating a complex photodynamic scheme. [•] Combining experiments obtained from two photo-active systems with complementary pathways. [•] Multiset hybrid hard- and soft-multivariate curve resolution incorporating reaction quantum yields. [Copyright &y& Elsevier]