The immediate products of C3 and C4 photosynthesis are, respectfully:
ribulose 1,5-bisphosphate; malic acid
malate; carbon dioxide
3-phosphoglycerate; oxaloacetic acid
glyceraldehyde 3-phosphate; phospho-enol-pyruvate (PEP)
The immediate products of C3 and C4 photosynthesis are, respectively: