It's Too Late (Remix) by Quartz feat. Dina Carroll on the Mercury label:
UK Vinyl 12" from 1991
A: Quartz (2) introducing Dina Carroll - It's Too Late (Remix) : 6:25
B1: Quartz (2) - Obsession : 6:16
B2: Quartz (2) introducing Dina Carroll - It's Too Late (Remix Edit) : 3:21