Table 1. Overview of the datasets used in this work. Jin's is derived from Lowe's grants dataset.

Reactions in	Train	Valid	Test	Total
Lowe's grants set33 no duplicates single product				1 808 938
				1 088 170
	902 581	50 131	50 258	1 002 970
Jin's USPTO set20 single product	409 035	30 000	40 000	479 035
	395 496	29 075	38 647	463 218